Lisa's happy world collapsed when it turned out that her little son was unwell. Her husband immediately left her with a sick child, made himself a new girlfriend and lived comfortably until he started having problems with his business... Anton really needs money, and Lisa’s sudden death turned out to be beneficial for him, because he is the only heir. His sister Vlasta was friends with Lisa and strongly doubts that she committed suicide or accidentally took too many pills. Liza’s neighbor Denis agrees with Vlasta, and at first separately, and then together they try to figure out this complicated story... The novels published in this series are unusual - they are recommended by Tatyana Ustinova herself, the first among the best in Russian action-packed literature. Thanks to the literary talent of the authors, whose books are published under the heading “Tatiana Ustinova Recommends,” the series was able to quickly attract the attention of a large readership.