Doctor Foster: A Woman Scorned

Two years after her husband's betrayals, Gemma's life is destabilized once again as he returns.

Gemma scrambles to uncover Simon's secrets and find out what's going on with Tom.

Gemma feels Tom should come first, even though she and Simon are at each other's throats.

Simon feels confident that he and Kate can finally live securely, free from Gemma's shadow.

Gemma takes extreme measures to ensure she wins back her old life.

After going to extreme lengths, Gemma hopes Simon will finally be out of her life for good.