Haunted by memories of his time in the Gulf War, Jacob tries to adjust to civilian life aided mainly by his friendship with his commanding officer, Hilt who has made civvie life work for him. However, Jacob's stable reality is crushed when Hilt is killed during a suspected mugging that went wrong. Now Jacob feels it's his duty to find the truth behind the incident and bring closure to Hilt's widow, Louise. His investigation has him going head to head with DCI Lane and his partners Sergeant Egan and DC Carter as his own life starts to entwine with those he suspects of being involved. Amongst them is East End villain turned property tycoon Brannigan Woods, Marcus Clancy whose recent workaholic attitude has put a strain on his marriage to cheating wife Claire and his relationship with their rebellious teenage daughter Hannah. Dr Audrey Grey is the couple's therapist who is trying to keep the family together while her own existence slowly sinks into self-destruct mode; only her receptionist Suzy keeps her sane. Jacob soon discovers that not all is as it seems as the pieces are manoeuvred into place to keep him distracted while the final move is made.
—Paul Knight