The film is set against the background that the earth is threatened by the sun, and the ground temperature drops sharply, threatening the living space of human beings. In this case, human beings put forward the plan of "wandering the earth". In other words, countless engines have been built on the earth to push the earth to "wander". In this process, humans will enter the safe underground city to survive by drawing lots. Liu Peiqiang left his young son and father to enter the underground city and went to the space station himself. The story officially opened.
A few years later, the protagonist Liu Qi grew up, but because of the hidden feelings of the year, he had a huge gap with his father. He stole grandpa's car and took his sister out of the underground city without permission. As a result, he was forced to join the rescue mission because the global engine was shut down. In the meantime, Liu Qi's grandfather died unexpectedly, and the knot with his father became a huge obstacle to him. At this point, everyone found that the collision between the earth and Jupiter was inevitable, and their actions were a complete failure.
Just then, Liu Peiqiang of the space station learned about the situation on the ground and even found the defection of the artificial intelligence host. When he learned that the space station had made a plan to give up the earth and keep the fire, he began to struggle. But he soon discovered that this was a decision made by the Coalition government. Should he watch his son die? Watching the earth die? At this time, the turning point came. Liu Qi on the ground recalled what his father said when he was a child, and thought of igniting all helium in Jupiter with an engine and pushing it away from the earth.
The ending of the film can be described as mixed. Liu Qi got in touch with Liu Peiqiang, and he finally untied his father's heart. Then, despite everyone's help, the flame of the engine could not reach Jupiter. At this moment, Liu Peiqiang chose to crash into Jupiter with the space station, and the earth survived.
This ending is good or bad. Judging from the overall concept of the film, it is actually complete and noble. It embodies Liu Peiqiang's spirit of sacrifice and the theme of self-help of all mankind, but it does weaken Liu Qi's character image in function. As a movie hero, he has too little autonomy, and the last halo belongs to his father. Of course, it is not impossible to understand that all mankind is a hero.