An unwelcome blast from the past knocks Nick off his game, and has a dangerous effect on the rest of the team. Simon tries to prove to Nick that he will up his performance in close protection skills by being VERY close to Nick, as often as possible. Mary's movie night and Bird's Boogie Night clash, and the pair find themselves locked in a popularity battle. Towerblock, meanwhile, tries to prove that Mac is in denial about his sexuality.