Doctor Foster - Season 1, Episode 4: Soundtracks

When Gemma recieves a card from her husband. They meet up in the bedroom and have sex.

When Gemma shows up at Tom's football game.

When Gemma walks out to the water and then Simon calls her and talks to her. She gets into the water and starts swimming away from shore.

When Gemma is putting make-up on in her kitchen when Simon comes home.