It's 1993A young British Agent with Post Traumatic Stress and a lost identity is the agency's greatest undercover asset. Her memory of her life before her trauma starts to return whilst she is deep under cover. While she remembers her past, her job goes horribly wrong. Whilst she recovers she is given a new task of hunting a mystery assassin out for revenge. She goes undercover in an IRA terrorist cell in London to track her target down. Proving her own deadly skills along the way, she uncovers a dark and twisted conspiracy full of betrayal and secrecy at the heart of the investigation which takes her back to the day she lost her identity. A double cross leads her to her target but leaves her nearly dead for a second time. With help from an unusual quarter she uncovers the truth of the conspiracy and her own identity, but loses an old friend along the way.