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.
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.
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 arrives home with Ilinka, an emaciated Croatian woman who has been rescued after being trafficked and enslaved for the past four years. Meanwhile, John's panic over Vicky's threat spills out into his home life.