Benjamin and Maya share a life and an apartment in the center of Oslo. On the occasion of Benjamins 26th birthday, Tobias, Benjamins younger and more successful brother, comes to visit for the weekend. During a late night dinner party with friends, Maya tells a story about a sexual experience she had in Brazil. As a consequence, Benjamins insecurities and vulnerabilities begin to surface. Bird Hearts is a film about gender roles and jealousy, sex and family - and the tricky power of the stories lovers tell.