Three

Three (2010) is a romance, drama, comedy directed by Tom Tykwer rated 6.1/10.

Hanna and Simon are in a 20 year marriage with an unexciting relationship. By chance, they both meet and start separate affairs with Adam. Adam has no idea that his two lovers are married, until they are all found out when Hanna becomes pregnant, with the natural doubts stemming from their situation.