Separation City

Separation City is a 2009 New Zealand film starring Joel Edgerton, Rhona Mitra, Danielle Cormack, and Les Hill. It is directed by Paul Middleditch. Filming concluded in June, 2009, afterweeks of shooting.

Simon Joel Edgerton is a decent fellow, married to a lovely woman Pam Danielle Cormack, living comfortably with two children. He has grown tired of the lack of sex and is attracted to a cellist friend of his wife, Katrien Rhona Mitra.Katrien travels to New Zealand to follow her husband Klaus Thomas Kretschmann in an attempt to rekindle their marriage. However, she catches him in bed with a young arts student and so their marriage collapses. Katrien, now available and lonely from the breakdown of her marriage, is susceptible to Simons attraction. ........

Source: Wikipedia