Tango libre

A prison guard is attracted to a woman at his weekly tango class. They meet again when she visits her husband in the prison where he works and he is drawn into her complicated romantic life. Meanwhile the prisoners are learning the tango.

Tango libre is a 2012 drama romance movie directed by Frédéric Fonteyne, starring Jan Hammenecker, Sergi López, François Damiens. It holds an IMDb rating of 6.1/10 from 1,197 votes and runs 1h 38m.