Homeless Marion lives with her daughter Isa. Boiler explosion injures workers; fault of their employer or the installation firm? Fired Charlene defended herself physically during harassment; she kept silence about being on probation.
Markus defends Manfred who 'needs' potency enhancing pills but the health insurance refuses payment. Gudrun fears to lose daughter Tina to natural mother Michelle who starts a lawsuit. Marion takes the vacant secretary job.
Charlie tells Marion in confidence that Markus is her father. Twin brothers blame each other for being the father of Michaela's child; Charlie discovers more. The dog of Bodo Rickert bit a rooster dead on set; who let the dog out?
Milena finds it unfair that her academic title is only available in the male gender. Markus' father appears to have a brain tumor but surgery is risky. Did Hagen commit suicide after discovery that his firm with Robert goes down the drain?
Wanted armed half-brother Egin needs Isa as marrow donor and keeps her and Marion hostage. Markus represents Imogen, one two fighting neighbors. Charlie joins him during a long watch of both houses and reveals him secret.
Isa suspects an affair between Markus and Charly. Bruno has metastases; will he give up? Stylist Gerda's sleeping account is abused to gain fraud money and give her the blame. Law student Gibran is sued for violence against the police.
Bruno died; Markus seems to suppress his grief. He cares for Romanian homeless Raya who lacks rights because of working illegally. Martin wants Wilhelmy to end life saving measures of his mother. Charlie meets friends from her crime past.
A homeless family fears to lose their son. Timur extort Charlie with a video to make her cooperate in a bank robbery. Erika continues the fantasy cycle of a popular writer without permission. Marion spoils Isa's togetherness with Henning.
Patrick thinks that his participation in a drugs study brought him into a wheel chair. Charlie shadows Markus' younger girlfriend Mia. Nudists in their regular hotel are visual recorded by a travel group.
In Galip's restaurant his landlord Hanno dies due to an improper ingredient; Galip had a fight with him. Colored applicant Kodjo caused havoc after being rejected out of racism but who is the racist? Isa spends marrow for her brother Egin.
Demir's fitness studio is sued by a beginner for injuries; Charlie infiltrates. Demir and Isa feel mutual attraction. Hermann has no control over doing extreme things; his accident could lead a victim to death. Markus bets with Barbara.
Henning is arrested for murdering his former boss Janik whose dead body hasn't been found; stocks plummet. Psychiatrist Oswald is sued by his former patient Jens; Isa talks with Jens' ex Elisa. Markus and Isa intend to live healthier.
By chance Isa sees Markus and Barbara being intimate with each other. Hanna and John forbid grandparents to see their 10 year old daughter. Mahmud discovers his former torturer from Syria having a vegetable shop in Germany.