A surprise book full of mysteries, like the thirteenth sign of the Zodiac itself - Ophiuchus. After entering the Royal Zodiac, Ophiuchus Timofey Zverev will have to perform difficult tasks. First you need to find the stolen box, which contains a powerful artifact, and the bandits responsible for the daring theft. The whole day Timofey and his partner - Anton Vasilevsky from the Avangard detachment - travel around the city, now and then getting into amazing adventures and unraveling a tangle of mysterious incidents. Are the Black and White Covens back on the warpath? Alex Granovsky, the old woman Anahit, Arbogast and many others join the fight between good and evil.