The series “Girl Detective Agatha Mystery.”

Endowed with amazing instincts and a phenomenal memory, Agatha Mystery dreams of becoming a writer. But that’s in the future, but for now she’s just an excellent detective! Together with her hapless cousin Larry, a detective school student, she travels the world to solve the most perplexing mysteries. And they are helped by a devoted butler, a mischievous Siberian cat and many eccentric relatives.

The Missing RingLarry Mystery's life came to a bad point: a mysterious witch predicted inevitable misfortunes for the boy, and the detective agency "Eye International" sent him on a mission for newcomers. Him, an experienced detective who has unraveled dozens of complex crimes around the world! But let’s return to the assignment: a time capsule has gone missing in a school in Galway. Larry and his insightful sister Agatha urgently travel to Ireland - a country of endless green fields, changeable weather and ancient legends - to help find the metal cylinder before the solemn opening ceremony. However, everything turns out to be much more complicated! Young detectives are on the trail of an ancient gold ring that disappeared about half a century ago. And all the suspects have a solid alibi. Will the heroes be able to solve this complicated case?