Private detective Tatyana Ivanova was suffering from the heat and having nothing to do, so she was wildly delighted to receive a new case—Igor Kostrov asked her to find a missing diamond from his mother’s safe. Igor didn’t yet know that while searching for the precious stone, Tatyana Ivanova would also discover the body of his murdered father-businessman, Kostrov… Marina Serova is a phenomenon of modern Russian detective fiction. A graduate of the law faculty of MSU, she worked in the General Prosecutor’s Office and participated in operational activities. She is the author of a number of suspenseful novellas with a total circulation exceeding twenty million copies.