Spiel der Verlierer (1978)

The 50-year-old haulier Kluth is left by his wife and falls in love with 15-year-old Anita, the daughter of the owners of his favorite pub. Anita's parents tolerate the relationship because Kluth supports them financially. But when Anita is expecting Kluth's child, they terminate their friendship and threaten to press charges. Kluth commits suicide.