Tactical Response goes into overdrive as they desperately try and to locate Michael after his undercover buy-bust goes horribly wrong. Josh starts to crumble under the guilt of letting Michael get away while Stella is furious, realising her best friend, and once lover, may not come back alive. It's a race against time as Kerry fights political red tape and the remaining members of Tactical Response do anything they can to get one of their team back safely.