Eighteen-year-old Vince (Michael Legge) is obsessed with disco, until his world turns upside down when he falls in love with an exotic punk, not realizing that she is Joanna (Laura Fraser), his workmate in a solicitor's office. Meanwhile, Vince's father Harold (Tom Courtenay) passes his retirement in front of the television, being ignored by his still-glamorous wife Irene (Lulu), who prefers the company of younger men. Harold reveals a knack for performing tricks and changes all their lives.