Monica has an unexpected visitor, her mother Joan, who no one's seen for twenty years. Suddenly all Monica's childhood insecurities come flooding back. But Joan has a secret, she's got Alzheimer's disease and has a very important task for Monica but, she can't remember what it is. When Stan confesses to Yvonne that he's got a soft spot for her he gets a little more than he bargained for, in the stock room, up against the shelves and behind the frozen goods. Yvonne is a woman with physical needs but does she want this to go any further because, Stan certainly does. When Paddy and Mimi take a holiday, Shane and Mickey decide to throw a party. The only problem is, they've no cash to buy booze and drugs and when they enlist Liam to help them with a money making business venture, they soon find themselves outsmarted.

Monica ma niespodziewanego gościa — swoją matkę, Joan, której nikt nie widział od 20 lat. Nagle powracają kompleksy Moniki z dzieciństwa.