Key to Luck

It happens that in the fight against crime, police officers find themselves in a difficult, sometimes hopeless situation. And one day the phone rang, and an unexpected guest appeared at the door. It was a real police colonel. He turned to Maxim and Veronika with the words: "Help. I have trouble."
The case turned out to be complicated and confusing. But at the beginning of the investigation, the young detectives could not even imagine that a common little mouse named Bob would lead them to success..