Sam and Amy get more than they bargained for when they're called to a couple's altercation in the street. Action-loving Andrzej gets sent on a wild goose chase by some runaway youths. Junior officer Jake steps up at a tense stand-off with a baseball-bat-wielding suspect.

Annie and Chris rush to the aid of a lone officer who has been violently attacked in the centre of town. Self-confessed geek Joe has his hands full with a custody regular who is determined to leave his mark on the officers and their car and Zoe and Jodie deal with a disoriented drunk who has tried to smash his way into a stranger's house.