Markus Teuber was found murdered in front of a gay club. His partner Jens Rose is convinced that only their homophobic neighbor Bernd Uhlig could have been the culprit. The investigators find out that Teuber led a double life: under the name Klaus Mertens he lived for 20 years in a happy marriage. Has anyone uncovered Teuber's secret? Or could Teuber's wife Vanessa not tolerate the sexual orientation of her husband and take revenge for the lie of life?