Ikaw lang (1993)

A librarian's husband and mother-in-law turn out to be psychotically abusive. When her husband mistakenly thinks he has killed her, he dumps her in a river, where she is saved by a fisherman. Desperate for money and needing help to take revenge on her husband, she hooks up--and falls in love--with a bank robber. She takes him to her husband's home and they kill him.