Bystander Bracht sues paramedic Manfred who pushed him away causing an accident. Harald wants egg cells of his late wife to be implanted in his current wife Yvonne but the conservation firm refuses to give the egg cells free.
Isabel seeks a new house. Pregnant Yasmin is bored in the new law firm. A punk with assumed Tourette-syndrome is sued for causing havoc on board of an airplane. In a parking garage a young woman injures an assumed attacker who sues her.
Thomas comes to assist the law firm. Are Isabel and Markus engaged? Dr. Wilhelmy is sued by the daughter of ALS patient Magda for killing her mother. Renate asks Markus to change the mind of her husband who suddenly lives irresponsible.
Teacher Jan is accused of violence against pupil Jacob and is suspended. What has bully Onno to do with this? Tina, foster daughter of Gerd and Gudrun, commits a minor theft. Markus' father has cancer. Markus and Isabel ponder marrying.
Isa and Markus transform the revenge engagement into real. Thomas Böhm claims to have proven that viruses cause disease; Hilde's institute refuses him the prize money. Gudrun discovers that illegal Svetlana is forced into prostitution.
The wedding of Isa and Markus is prepared but she seems to have doubts. Murat is suspect of murder on his old and rich order giver; the public prosecutor comes with an injury expert and Murat's daughter for stating against him.
Sad Markus; Isabel left him alone in front of the altar. Harry has gambling debts; did he or his creditor demolish his kiosk? Shari is sued for physical attack; she claims being victim of harassment. Compromising photos of Wärmelskirchen.
Lawyer Markus is accused of biased business; now he needs the sound record of Mr. Seifert who is not easy to find. Truant Tina can't be found at home; Gerd and Gudrun seek her.
Protesters hinder fish retailer Harmsen; Thomas infiltrates to find out more about protester Gundula. Mr. Riemann is accused of murder on his second wife but it seems that he hides the real perpetrator. Tina meets her natural mother.