Oh, Serafina! (1976)

Augusto Valle is a successful young industrialist who weds Palmira, the girl working in his factory, and the two have a child despite the infant's uncertain legitimacy. Scheming to control her husband's fortune, Palmira has affairs with both the mayor and the judge to have Augusto committed to a mental institution. While there, he falls in love with Serafina Vitali, a young woman who was also put away.