A young woman pharmacist, Eva, is very friendly with a children's doctor, Dr. Fröhlich. Eva's small nephew Peter lives with her and she is often thought to be his mother. A number of amusing and more serious misunderstandings arise from this situation...
The nurse Loni helps the young pediatrician Lennie Sommer to fight against the plans of the head of the clinic, who wants to close the children's ward. She also gets to know the charming pediatrician in private.
The days of the Schlosshotel Seefels appear to be numbered. Hotelier Theo Frobenius is forced to sell his hotel to group boss Mertens in the face of massive competition. Frobenius learns that Mertens wants to secretly inspect the hotel. In order to drive up the price, the hotelier wants to make him believe that the business is flourishing.
