To gain more insight knowledge the Cologne police builds up a special unit for juvenile crime. The young officers have to investigate in a crime about car theft and illegal car racing.
A young man is found dead in a car, parked in front of a hospital. The cause of death raises questions what also connects the body to a graffiti gang which vandalizes trains with their logo "Fab5".
Tourists who travel through Cologne's sex trade get dragged out of their cars and robbed. During the investigation Kevin gets in trouble because his new love interest seems to be involved.
A young man drops dead after his visit at the gym. His mother does not believe in the stated natural cause of death so she turns to the SK-Babies. Hannes and Vittorio investigate undercover and get a membership at the gym.
After a Turkish girl gets killed the SK-Babies are really astonished when the father doesn't care at all. The death seems to be some kind of honor killing but the victim's boyfriend wants justice.
Mic gets her first solo operation when she shall get the daughter of the possible upcoming mayor out of a squatting that obstruct construction plans for the Rheinauhafen.
Mic catches up with an old friend who tells her that her ex-boyfriend is now member of "Quelle des ewigen Lichts". To her it seems all to weird so she decides to investigate on her own.
A model gets attacked by a hooded man. Hannes and Kevin get hired as her bodyguards and during their investigations they find out interesting insight news about their ward.
While watching an American football match Nesrin witnesses an argument between a player and a man in the audience. The "Cologne Crocodiles" also get attacked by unknown strangers - during the investigations Nesrin gets far too much involved.
While about 400 packages get lost around Christmas time the team tries to find the offender undercover not to know that there is a far worse explosive delivery they should keep an eye on.
After several armed assaults on gas stations there is no lead to the suspects. When the team also investigates a suicide in the military they discover a strange connection.
A man has to be held in an artificial coma while suffering from several cut wounds. The weapon seems to be some kind of épée and all clues point out to a fraternity.