When a police officer is killed chasing an urban explorer through an abandoned factory, Mel fights to save her wife – EMT Nicole Foster – who suffers a dangerous reaction to the devastating loss. Griffin reconnects with his old partner in crime Hugh,... (more) and together they set off in search of Griff’s ex-girlfriend Natasha. But when Griff finally tracks her down, it isn’t quite the joyous reunion he was hoping for. Allen pressures Kanaskie to get Griff’s job back, and Cutler tries to protect the urban explorer from overzealous cops he believes are out for revenge.