What to do if your husband is a prince without a heart, and in the “golden cage” there is everything except happiness?.. She was not afraid to start over, although life had many surprises in store for her on the thorny path. Mad love for a Frenchman that broke out suddenly... Is it good that mutual feeling is so similar to a fairy tale? Three mysterious envelopes revealing the secrets of someone else's fate... Is it necessary to look for the truth? A series of sudden deaths... The shadow of danger behind her... Despite everything, she remained herself and even managed to bring out her own formula of happiness - “The Law of Seven Notes.”