S5 • E13 Dec 13, 2017 43m
Chemistry teacher Walter Weiss's corpse was posthumously acid-affected in Dr. Specht's Freiherr-von-Liebig Gymnasium (state school)'s lab. Alumnus Mario Korthals and forensics can only work out he produced and sold popular, academic performance enhancing pills there. Commissioners Heldt and Grün go undercover as his successor viz. gym coach, trying befriending viz. disciplining pupils. Questions include the meaning of a mysterious coded list from the lab. Brilliant primus Sven Lugner proves most helpful in all matters, his classmates Jana Lose the cheap bitch and silver spoon rival Tabea Marquard make plausible suspects. Grün coaches a school staff support group to wins the confidence of wining sissy teacher Vera Hinze, who has a beef with Walter.
