Travel to parallel worlds is possible. But are they safe? This is to be found out by a physics student and a talented programmer Aleksey. After the mysterious disappearance of his father, he goes in search of him and learns that he was by no means an ordinary professor of quantum mechanics. He made a unique discovery - the Multiverse exists. Alternate versions of each person live in different worlds. But interference in the life of parallel worlds from the outside can lead to devastating consequences. Up to complete destruction - annihilation. In search of his father, Aleksey finds himself in the mysterious Office, whose employees oppose the Hunters led by Antidoc, a brilliant scientist who wants to subdue all the worlds of the Multiverse.