As Lip turns 18, the Maguires expect more of him. Meanwhile, as the Gallaghers witness Kev and Veronica being arrested abroad for illegal baby adoption, their estranged mother Monica, returns.

After a night of drink Paddy wakes to find himself tied to a bed in Maureen's house. But this is not a sex game. Maureen's teen-aged daughter died of an overdose of heroin supplied by Paddy and now she intends to inject him with his own merchandise. Lonely DSS fraud officer Bernard calls on Frank to find out why he is claiming for children who have left home. Frank tries to bribe him with drink and a session at the brothel but Monica's wiles ensure that the case will be 'lost' though Frank is unhappy with her seduction method. Micky begs Carl to keep quiet after Carl discovers he is into men and Carrie and Tom move on,taking the contents of the police house with them.

When Liam befriends a World War II veteran to help him with his school project, he finds solace in the old man's company, but Libby spies on them and jumps to all the wrong conclusions.

After seeing a fatal road accident Marty decides that life is fleeting and eventually proposes to Kelly,who accepts. However when he receives a letter from his supposedly dead children in Spain,he is anxious to fly out to see what has happened. He does assure Kelly that he still wants to marry her so the engagement party goes ahead without him. Karen suspects Jamie of infidelity,initially with Ruby,but,convinced she is wrong,tries to set a honey trap with Gloria. Jamie tries to cover himself by claiming that Gloria came on to him but she sees it as prudent to end the affair. Lilian has a vision in which a talking dog warns her of imminent calamity on the estate. However the dog later returns to tell her that she was unable to prevent either of the lovers' tiffs.