Everyone is talking about Libby and Frank's forthcoming wedding, but the nuptial plans are thrown into chaos at Frank's stag do when he disappears. The mystery of Frank's whereabouts is a veritable magical mystery tour into the the previously unexplored outer limits of Frank's drink- and drug-addled mind. Meanwhile, Mimi and her surprise baby daughter Cilla have moved back in with her boys, but the question remains - who's the daddy? Newcomers Avril, Jackson and daughter Letitia Powell have firmly settled themselves within the community and Avril volunteers to host Libby's hen night, but celebrations are brought to a halt when disaster strikes for one of the Maguires. Karen returns, but Jamie is unsure of her motives. And Chesney's cousin Sita causes quite a stir especially with Carl Gallagher.