In 2007, there were abnormal disturbances in the basic science of the earth. For a time, the scientific community was in turmoil, and people were panicked. A scientist who commits suicide in a bizarre way, a countdown that is almost miraculous, a scientific side that acts in secret, and the mysterious "Three-Body" game... Nanometer scientist Wang Miao was brought to the Joint Operations Center by police officer Shi Qiang, and sneaked into the "Scientific Boundary" organization to assist in the investigation. In the mist, Wang Miao came into contact with an organization called ETO, and found that the commander behind the scenes was Ye Wenjie, the mother of scientist Yang Dong who committed suicide. As ETO and the combat center continue to play back and forth, Wang Miao and Shi Qiang gradually confirm that the world in the game "Three-Body Problem" really exists. The origin of all events is that two civilizations are fighting each other desperately for survival. With the joint efforts of the Joint Operations Center and scientists, Wang Miao, Shi Qiang and others strengthened their beliefs, rekindled hope, and led everyone to continue to prepare for the desperate struggle against the upcoming invasion of Trisolarans in the future.
As the sun is dying out, people all around the world build giant planet thrusters to move Earth out of its orbit and sail Earth to a new star system. Yet the 2500-year journey comes with unexpected dangers, and in order to save humanity, a group of young people in this age of a wandering Earth fight hard for the survival of humankind.