Clue: Maltesergåten [Russian]

The same day that Cecilia and Une meet Leo for the first time, a corpse appears on the beach in Skutebukta. Who is he, and what did he do in Skutebukta, and what has he to do with Cecilia's mother's death the previous year? The three young people together begin to unravel the threads of what proves to be the CLUE gang's very first mystery.