To koritsi tou '17 (1969)

Anna a locked up 19 years old girl who is "semi schizo", escapes from the asylum and on her way to the unknown, kills several men who tried to hurt her. At some point she meets Aris, a young rich boy who also suffers from some minor mental issues and doing it their way,they become a couple. Soon Aris's father recognizes the girl from the newspaper and decides to turn her in.