When Kevin Gogarty's irrepressible eighty-three-year-old mother, Millie, is caught shoplifting yet again, he has no choice but to hire a caretaker to keep an eye on her. Kevin, recently unemployed, is already at his wits' end tending to a full house while his wife travels to exotic locales for work, leaving him solo with his sulky, misbehaved teenaged daughter, Aideen, whose troubles escalate when she befriends the campus rebel at her new boarding school.