Overview: The lads are still mocking Sicknote over the hand grenade incident and it's the day of the Health and Safety inspection for Blackwall. George continues to argue with Kelly and Nick starts to worry about the future of the station. On the next Watch Billy's sister appears at the station claiming she has had her purse nicked, so Billy lends her some money. The Watch is then called to a warehouse sale where two youths have set alight to some fireworks, there's a few near misses but everyone is accounted for and the fire put out. Off duty Pearce visits Sandra and Billy's mum turns up at his house with bad news his sisters gone missing.