Soundless

Viktor, a methodical hit man, probably on his last job, has no plan for his retirement. He does not kill Nina, a woman sleeping beside his latest mark; then he follows her and rescues her from an attempted suicide. Nina is attracted to him, but also wants to know who he is.

Soundless is a 2004 crime romance movie directed by Mennan Yapo, starring Nadja Uhl, Joachim Król, Rudolf Martin. It holds an IMDb rating of 6.5/10 from 1,103 votes and runs 1h 34m.