The Mysterious House by the Dam

Brother and sister Lukas and Emma move to their great-uncle's villa by the North Sea. It turns out that their great-uncle was a real super detective! The kids are very lucky – he left behind a notebook with useful tips and professional tricks. And already on the day of their arrival, they have their first client – a lady who asks them to find her missing husband. Clearly, Emma, Lukas, and their dad Mike won't miss such an opportunity. A great adventure begins for the three newly minted detectives.