Watch Doctor Foster season 1 episode 4 (S01E04)
Gemma decides on a new start with Simon, but her medical career begins to fall apart.
Watch Doctor Foster season 1 episode 3 (S01E03)
In public Gemma plays the perfect wife, while secretly concocting a plan to ensure she comes out on top - only to make new discoveries about the full extent of the secrets that those around her are holding on to.
Watch Doctor Foster season 1 episode 2 (S01E02)
Reeling from the secrets she has uncovered, Gemma has a decision to make - but a visit from a surprise patient means she also faces an acute professional dilemma.
Watch Doctor Foster season 1 episode 1 (S01E01)
Brilliant, vivacious GP Gemma Foster has her life torn apart when she investigates whether her husband is harbouring a dark secret. The truth will shock her to the core.