本片是一部瑞典Drama片，上映于2009-09-25，由Jörgen Bergmark导演，由Pernilla August/Stina Ekblad/Magnus Eriksson主演。
剧情简介：Four of Sweden's top actors anchor Jörgen Bergmark's tragi-comedy about a couple, both marriage counsellors, who find themselves in deep water when the husband falls for his best friend's wife. A smart, funny film made for adults. Nominated for Best Film at the 2009 Ghent International Film Festival.
外文名：Det enda rationella
别名：A Rational Solution / Una Soluzione Razionale
类型：Drama / Comedy
地区：瑞典 / 芬兰 / 德国 / 意大利
导演：Jörgen Bergmark
编剧：简·约翰森
演员：Pernilla August / Stina Ekblad / Magnus Eriksson / Rolf Lassgård / Magnus Roosmann
