An old lady,Erna Krawinkel lives in a retirement home and soon she will celebrate her 100 birthday.Erna decides to escape alone from the home.At her home Katja wants to speak with Mark about Kiki, but Mark must leave soon for his trip to Mallorca.Cem proposes Katja to drive Mark to the airport of Munich and to supper with her in the night.Mark says Katja that Kiki is now an adult and must take her own decisions.Also Katja must take care for the hydrangeas and prune the trees in autumn.When Katja comes back home, she listens to the radio announcing the disappearance of Erna Krawinkel.She saw the old lady walking on the street,then going-into a forest.She follows her and they arrive at a mountain cabin belonging to Erna's parents, they visit a place with stones and went back to the car.Then they visit the cemetery and went back to the retirement home.Kiki, Yasemin and Cem are quite anxious about Katja who arrives late.Cem is bad tempered.The next Cem went away.