The Key: Theft at Cliffrock Villa

From the Publisher:

There has been a shocking string of robberies at Cliffrock Villa. Valuable works of art have been stolen! The players start their investigations and combine clues about the perpetrators, time of the crimes, stolen items, and escape plans. They need to generate the right number code to put the thieves behind bars. In the end, it’s not necessarily the fastest investigator who wins the game, but the most efficient one.