Barbara tries to protect her sister Vivi against her violent husband Egon. Sina denies when Melli accuses her of stealing her credit card; Küppers is involved in this family. Lukas and Daniel compete in the case of Nina's paint job.

Counterfeit prize money is spread via a television studio. Lars loves Agnes; an expensive companion dog could help her autistic son Luke. Astrid seemingly gets letters from her ex-lover Sabine. Daniel does knowledge games with colleagues.

Daniel is puzzled when during interrogation of railway protesters Ina and Marion, Nina senses that the latter is bending the truth. Game developer Erich hunts misappropriated money that Armin and Steffi possess. Nina avoids her neighbor.

Love between openly gay Florian and Ramin; Khaled violently warns son Ramin not to blemish the family honor. Athene and widow Dorothee fight because of the inherited parakeet. Helmut transforms the cold police interior into a cozy place.

LKA-man Robert 'Toni' investigates undercover in crystal meth-smuggle. Ginger and Champ discover that the drugs stuffed van has been stolen. Harry suspects that Robert might be the bodyguard of Martha, daughter of State Council Christian.

Lukas pursues car burglar Justin; policemen Kuddel and Jonas roughly arrest him. Lukas waives promotion to officially notify these racists. Sammi and Chayenne abuse Justin when playing truth or dare. Daniel tells Küppers to be less strict.

Robbed gas stations; a trace leads to brothers Veit and disabled racer Tom. Lukas overprotects his disabled brother Jo. Daniel feels inferior when he hasn't the highest IQ-score. Elisabeth gives away money to the poor; she gets robbed.

Anton's father Miro is hit into a coma. Was it by Miro's employer Wolfgang? House friend Simon is suspect. Daniel and Helmut try to bring Robert to clean his used mugs. Rasmus sabotages Hedda's election campaign.

Drug parties in Hamburg; Martha, daughter of State Council Christian, is suspect. As revenge Onna steals Ginger's car that is loaded with Crystal Meth. Abwasser Gerd and Daniel analyze Meth data in the sewer. Robert has to choose his side.