An assassin with a secret, Mia's life is changed forever by a letter from her ex.

With a wife, child and steady 9 to 5 job, Chris Hopkins is tired of his sterile, mundane lifestyle. Looking for change, he begins surfing adult sex sites and he soon connects with a woman that has everything he has been looking for.

The show is about the Bannon family, who all have strong spy links. The parents, Dirk and Talia, were once arch enemy spies, but fell in love and got married. They now have three children who have all been brought up with spy techniques as a matter of course.

Follows the staff and patients of a Yorkshire cottage hospital in the 60s, embroiled in tangled love lives and bitter power struggles.