In Belleville, Paris, the gay pediatrician Emmanuel "Manu" François Xavier Bernier lives with the also gay lawyer Philippe. When Manu decides to adopt a child, he has an argument with Philippe that does not want to spoil his life with a child and Manu hits the car of the illegal Argentinean immigrant Josefina "Fina" Maria Paredes. They exchange phone numbers and Manu promises to pay the repair. When the social agent visits Manu, she discovers that he is gay and the adoption is denied. Manu calls Fina and offers a marriage of convenience, asking in return for a baby. Fina does not accept but when she is arrested by the immigration, she moves to Manu's house and accepts to marry him. They live together for a while and Manu discovers that he is sterile. But Philippe accepts to be the sperm donor and Manu and Fiona schedule their marriage. One night, Fina sleeps with Manu and they make love and Fina falls in love with him. Is Manu a closet heterosexual?