Gemma is determined to expose Simon at last and ensure that he loses everything. She'll stop at nothing to achieve her goal - and the consequences will be explosive.

Gemma decides on a new start with Simon, but her medical career begins to fall apart due to a series of complaints. Pushed to the brink, can she find the strength to carry on?

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.

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.

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.