As the detective drama returns, Gerry is spooked by the discovery of UCOS's latest victim - a cop, whose body has lain untouched under a basement for 30 years. As accusations of police corruption and underhand dealings begin to surface, Gerry has to face up to some skeletons in his own closet and it's a race against time for the team to help before his murky past catches up with him. While babysitting his grandson, Gerry becomes convinced that only he holds the key to the investigation and goes Awol to uncover the truth.