One storyline follows Bol'Es sisters Hanna and Claudia battling for leadership, while the other involves seven teenagers, including Hanna's son Han, discovering dangerous secrets in their city.

The Van Bol'Es (gin) family is central to the series. All events and characters in the series are fictional. The series consists of two storylines. The adult storyline focuses mainly on the battle for leadership between the two sisters Hanna and Claudia van Bol'Es. The second storyline is with seven young people from Schiedam (including Han van Bol'Es, Hanna's son) who discover that very dangerous things are happening in their city that cannot tolerate the light of day.—Stokerij Schiedam