The most fun heroes and loyal friends! There is commotion in the city of Beryozkin! Millionaire Vydra Tydrovna opens a diamond museum in the city. But the main treasure mysteriously disappears before the eyes of the entire city! Who managed to outwit all the residents? Who came up with the terribly insidious plan? And most importantly, will anyone be able to unravel the tangle of mysterious events? The incredible detective adventures of the super squirrel Mulka are beginning! Mulka is a superstar! He's always first! Always the fastest and most dexterous! He does everything at once: saves friends, exposes criminals, covers his tracks! And gets into exciting magical adventures!