The show is set in Warnemünde, Mecklenburg-West Pomerania, on the Baltic Sea.
The show deals with typical problems experienced by young adults, such as quarrelling with parents, studies, first love, unwanted pregnancies, etc.
The focus and namesake of the series is Tanja Buesing.
Later, she is confronted with the death of her friend David, who dies in a boating accident, for which she blames herself.
At the end of the season, she receives an offer to go to New York for three months.