The Upside of Anger (2005)

When the father of four girls disappears, his wife Terry thinks he has fled to Sweden with his Swedish secretary. She has nightmares about her husband and the Swedish secretary having sex and starts drinking to forget her sorrow. Terry unexpectedly falls for her husband's best friend, Denny, who is also her drinking buddy. Her four daughters watch their mother's ups and downs and each deal with the situation in their own way.

Official website: http://www.upsideofanger.com/