To get some time away from his future bride Sophie, Mark joins a gym, where he runs into Jeremy's estranged American wife Nancy who is working there. Soon Jeremy is undertaking a porter's job at the gym in an attempt to win her back.
In order to avoid spending time with Sophie, Mark gets a gym membership. Whilst there he discovers that Jeremy's ex-wife Nancy is working there. Mark tells Jeremy who then becomes desperate to get back together with her. He decides to take a job as a cleaner at the gym and sets about stopping her from dating Mark's personal trainer Matt.
