Perelyotnaya ptica

"Your husband is sleeping with your student" - such a note Olga finds in one of the bouquets that she was presented in honor of the triumphant speech at the scientific forum. Olga is a mathematician. It's easy to figure out who sent this anonymous. Except the man is found dead. Thus begins a dangerous game, each move of which is associated with one of the Fibonacci numbers. What do they mean and how do they relate to Olga’s life? The answer is far in the past. Each mistake will cost the life of someone close to the heroine.

A night at the gate of the Hermitage Garden, two men try to take out the corpse of a third, but, frightened by a random passerby, abandon the body and escape. By implicit signs, Svetlana suspects that the deceased participated in a Masonic ritual. Vadim does not take this version seriously: the victim was a rich man and had many enemies. However, Svetlana bends her line and unravels the intricacies of modern Masonic intrigues. And those people who look like criminals end up being puppets in the wrong hands.

Former police psychiatrist Kira Ustyanova gets a job in an elite private clinic, which in strict secrecy treats wealthy clients from neuroses and eating disorders. Two teenage girls are delivered to the clinic, presumably after a suicide attempt. Their father, a wealthy businessman, died on the eve of mysterious circumstances, the mother disappeared for several years. The case is led by the husband of Kira, who recently became an ex.