Two women, two men, four very different personalities - that's the team from the K14 of the Leipzig homicide squad. Maike Riem (Anja Kling) is the head of the team and has her employees, Chief Inspector Pia Walther (Annika Blendl) and the two Chief Inspectors Christoph Hofherr (Shenja Lacher) and Linus Roth (Anton Spieker), according to their very special "skills" and special ones human characteristics selected. A committed crew who solve their cases with the help of the latest forensic technology. In the first case for “Das Quartett”, the corpse of the former large bakery operator Franko Bleich is discovered on the banks of the Leipzig Elster basin.