For many years, the Nevada Desert in the United States has been a "mysterious" place, with all kinds of strange phenomena emerging one after another. Some people say that this is because alien spacecraft once landed in Witch Mountain. Jack (Dwayne Johnson) is an ordinary taxi driver in Las Vegas. One day he found a pair of mysterious brothers and sisters in the car. From the moment he extended a helping hand, he was involved in a thrilling adventure. It turned out that this pair of brothers and sisters with superpowers came from outer space, and they also hid an unknown secret that was enough to destroy the entire universe. The brother and sister must find the missing spaceship and return to the alien planet within the existing time. This journey is a chase of life and death. They must avoid the pursuit from all parties, including the underworld, the US government and aliens. Time is officially counting down, and the destruction of the universe is imminent. An adventure that concerns the life and death of the entire universe and mankind is underway...