Things get tense at Catherine's birthday party when a drunk Daniel reveals a different version of past events with Becky. Catherine's fears grow when she learns that Tommy has been spending time with Ryan.
Catherine's search for Tommy gains momentum when she receives a tip-off regarding his whereabouts. Helen absorbs the shock of hearing that Ann has been abducted.
Sergeant Cawood's world stops when the man who drove her daughter to suicide is released from prison, and Kevin's split-second decision devastates Nevison.