Oskar and Detective Bruno are about to embark on another fascinating journey full of puzzles and surprising twists. This time the adventure of our detective team will be even more captivating, as they will be on the trail of the real treasure of the Baltic Sea!

Zenia’s trip with her father was meant to be a special, carefree time – a moment of respite in a world of innocence and abundance that had hitherto defined the girl’s life. What begins as a pleasant family weekend, however, quickly turns into a confrontation with a painful truth.