Based on

Movies like Außenseiter (1985)

Paul Schulte takes a spa stay on the Baltic Sea to have his heart condition treated. His wife Barbara accompanies him and finds interest in the valuable art objects in a nearby church. Together with her accomplice and lover Klaus Grunow, she plans to break into the church. But Paul Schulte sees through his wife's plans and tries to dissuade her. One morning, Paul Schulte is found dead.