Extras
    
Four romantic relationships spiral out of control. Mary responds to an emergency.
          
          
            
                
                    
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                    S2020
                
            
            
                
                  E4
                
            
            
                
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                  0:30
                
            
          
        Four romantic relationships spiral out of control. Mary responds to an emergency.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E4
                
            
            
                
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                  46:31
                
            
          
        Helen, Natalie and Jake confront Vivien with their latest discovery about Mark's past.
          
          
            
                
                    
                        Clip:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E4
                
            
            
                
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                  1:26
                
            
          
        Vivien and Mark prepare for a trip. Helen and Natalie both reach crisis points.
          
          
            
                
                    
                        Preview:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E3
                
            
            
                
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                  0:30
                
            
          
        Mary spots Vivien as she returns from a run, and congratulates her on the surprising news.
          
          
            
                
                    
                        Preview:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E3
                
            
            
                
                  | 
                
            
            
                
                  1:31
                
            
          
        Vivien and Mark prepare for a trip. Helen and Natalie both reach crisis points.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E3
                
            
            
                
                  | 
                
            
            
                
                  45:42
                
            
          
        As Vivien and Mark grow closer, her kids become progressively more unhinged.
          
          
            
                
                    
                        Preview:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E2
                
            
            
                
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                  0:30
                
            
          
        As Vivien and Mark grow closer, her kids become progressively more unhinged.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E2
                
            
            
                
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                  45:47
                
            
          
        Mark takes another swing at getting on Jake's good side, but Jake still has reservations.
          
          
            
                
                    
                        Clip:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E2
                
            
            
                
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                  1:30
                
            
          
        The all-new mystery-thriller premieres Sunday, Oct. 4 at 9/8c on MASTERPIECE on PBS.
          
          
            
                
                    
                        Preview:
                    
                
            
            
            
            
            
                
                  0:57
                
            
          
        Four romantic relationships spiral out of control. Mary responds to an emergency.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E4
                
            
            
                
                  | 
                
            
            
                
                  46:31
                
            
          
        Vivien and Mark prepare for a trip. Helen and Natalie both reach crisis points.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E3
                
            
            
                
                  | 
                
            
            
                
                  45:42
                
            
          
        As Vivien and Mark grow closer, her kids become progressively more unhinged.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E2
                
            
            
                
                  | 
                
            
            
                
                  45:47
                
            
          
        Vivien’s three grown children are suspicious of her new love.
          
          
            
                
                    
                        Episode:
                    
                
            
            
                
                    S2020
                
            
            
                
                  E1
                
            
            
                
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                  47:15