In Munich's apartment building No. 23, one still shares in the joy and suffering of the neighbors. The single mother Miriam fell in love with the pastor Gregor. But his community is outraged. A pastor who is married to a woman who is still married is out of the question for her. Meanwhile, Miriam's ex-husband tries to regain Miriam. Daughter Jule is in need: she wants her dad back, but she also likes mom's new friend Gregor.

SOKO 5113 is a long-running German police procedural television series. It was first aired in 1978 on 2 January. SOKO is an abbreviation of the term "Sonderkommission" in German.