Oi nonoi tis nyhtas (1977)

Tina is a Greek/Canadian girl who comes to stay at Athens, at the house of her aunt. She wants to forget that her sister were raped and killed by the members of a gang. She meets Mihalis who makes her become a prostitute. She starts having sex with wealthy men until she meets a lesbian woman and they form a relationship. That's when she decides to kill Mihalis for revenge.