Nothing scares Ines, and without her resolute sister, Christine would often be in a mess. When her friend Marleen asks her to mind her boarding house on the coast for a few days, Christine accepts, and Ines joins her, even though neither has the slightest notion about what to do. To make matters worse, a former admirer of Christine’s suddenly realizes he still has romantic feelings towards her... When the sisters’ parents hear what’s up, they rush to “save” them – the last thing Ines and Christine need!