Shurgin had no idea that meeting the cocky careerist Diana Zvenigorodskaya would radically change his life. It all started with her being kidnapped right in front of his eyes. There was also the womanizer Alex, who was after Diana. And in the evening they reported on TV that her husband Denis’s car had been blown up. Shurgin immediately took the trail, and Alex joined him. But spying on a suspicious character ended badly for Alex - he was knocked out somewhere outside the city. However, they freed Diana with the help of Clara. She, in turn, followed Alex in order to take revenge on this flighty lover of women. Zvenigorodskaya told her rescuers that the bandits demanded some kind of treasure from her. Diana is perplexed - all she had left from her aunt was a box with amethysts, but the stones were of no value... These four had to risk their lives more than once and suffer a lot, solving the puzzles that Denis left for Diana. They thought they were looking for a rare green diamond - the most valuable specimen from Diana’s grandmother’s collection, but in fact...