Dark Desires: Thelma (1994)

In South Africa, Vincent has spent 5 years in jail for having unintentionally killed a man. Now, he just wants to forget it, finds a job in a garage and starts a relationship with his boss's daughter, Agnes. Not far away, his ex-girlfriend, now married to a rich man, tries to seduce him again. As he resists, she murders her husband and tries to put the blame on Vincent.