Having returned from a one-day trip to the country, Pete Mullion learns that he was actually absent for about two weeks, but the events of these days have been completely erased from his memory. After this, Mallion begins to suffer from nightmares, hallucinations, strange memory lapses, and is haunted by sinister people with identical faces. Pete realizes that his mind has been subjected to alien influence, and decides to reveal the mystery of the two weeks that disappeared from his life. The key to the solution turns out to be a terrible car accident that occurred on one of the mountain roads.