Meg Murphy, the girl who once used a rift in time to save her father, grew up and married—of course, Calvin, whom she became friends with during those unforgettable adventures. And then one autumn the whole family gathered at the festive table, and then... And then it turned out that our world was on the verge of disaster. And only Charles Wallace, Meg's younger brother, can prevent the destruction of the planet in the flames of the third world war. To do this, he will have to ride a unicorn and visit other times, revealing many secrets of the past and future... This book is the third in the "Quintet of Time" series - a continuation of the famous bestseller "A Wrinkle in Time", filmed in 2018 by Walt Disney Studios. For the first time in Russian !