A tennis instructor becomes engaged to the sister of a wealthy upper-class client, but is soon attracted to his girlfriend, a seductive American actress. The pair struggle to suppress their feelings but are eventually drawn into a clandestine affair - with tragic repercussions. Woody Allen's London-set thriller, starring Scarlett Johansson, Jonathan Rhys Meyers, Emily Mortimer and Brian Cox.

Chris, a former tennis pro, takes a job as an instructor and befriends his wealthy young student, Tom. After being introduced to his family, Chris is soon engaged to Tom's sister, Chloe. Despite the professional and financial advantages that this relationship affords him, Chris becomes obsessed with Tom's fiancee, American actress Nola.