A lover of extravagant outfits and part-time dentist, Yana Tsvetkova could easily get into the Guinness Book of Records, since she was the best in the world at getting herself into the most incredible stories. Yana's mother was an actress, and her father was an undertaker who worked in a cemetery. Little Yana loved to play among the graves. This circumstance, apparently, had a mystical influence on her character - Yana was distinguished by incredible recklessness and a thirst for adventure. Tsvetkova's old friend, investigator Lebedev, asked Yana to help him in a very delicate matter...