And what have we been up to during our service? Catching the bad guys and locking them away. Exactly. But what if we could be faster? What if we could prevent something from happening, just this once? A family drama on the edge of the Black Forest National Park: A father and son are making each other's lives hell on their farm. Selling the family home? Never! A fierce argument breaks out. Disaster seems unavoidable, but a relative wants to prevent the worst. Desperately, she asks Commissioner Oskar Lindt from Karlsruhe for help. Is it already too late, or can the experienced murder investigator just manage to prevent a bloodbath?.