Three adults from modern Russia, accidentally falling under the temporal beam of a time machine, find themselves thrown into the USSR into their own fourteen-year-old bodies. How to find the one who sent them to 1977 and could return them back to the future? The trio embarks on an investigation, during which they encounter numerous mysteries and dangerous obstacles. They are helped by trusted friends, new acquaintances, as well as suspicious individuals and even the all-powerful KGB. But so much will happen during the years of waiting... Will they be able to return and will they want to?