A financial adviser is killed in a parking garage getting in a car he bought for his son's birthday. Was the car's previous owner the intended target?

When cocaine packets are found on a man who is shot dead, drugs are thought to be the motive. As the investigation progresses, the real motive is revealed.

After the death of a drummer who seems to have committed suicide by switching on the gas cooker, his boyfriend also commits suicide. Behzat thinks that both cases are murders.

The body of a failed political candidate is found riddled with bullets. Was his death caused by his factional politics? Or his abuse of women?