Popast v 1917 god v tele matrosa - eto shans, kotorogo ne dayut dvazhdy. Uchyonyy iz buduschego znaet, chem obernyotsya revolyutsiya, i reshaet vmeshatsya.
Krupnyy sovetskiy uchenyy - matematik i elektronschik Andrey Kotov - umiraet v 2005 godu.
I prihodit v sebya v Petrograde v tele molodogo matrosa-anarhista Viktora Zheleznyakova nakanune Velikoy Oktyabrskoy revolyutsii. Vperedi uzhas Grazhdanskoy voyny. Cherez starshego brata, chlena Tsentrobalta, Anatoliya Zheleznyakova on popadaet na priem k V. I. Leninu. Teper nado poprobovat skorrektirovat hod istorii...