Carlo Kolbatzki has failed in life and lives in poverty in a garden shed when he receives the diagnosis of a brain tumor from his neurologist - he won't have long to live. Kolbatzki contemplates suicide, but as he puts the gun to his temple, he remembers someone else and decides to first kill all those who have ruined his life. On his hit list is also Hansjürgen Mannhardt, who once put him behind bars. Kolbatzki has already crossed off the first four names, and now it's Mannhardt's turn...