While trying to figure out why a perfectly planned robbery resulted in the unnecessary death of a hostage, Rhys and Matt almost come to blows over how to nail the killer. Meanwhile, the murder of the wife of a jewellery store owner points to an inside job gone wrong, and while the team search for an employee on the run, they must also contend with Sergeant Pete Copeland, an armed robbery cop who is used to doing whatever he likes. (thetvdb.com)