"Lost in the Return" tells the story of the Alpha Star 1 spacecraft in the constellation of Draco, located at the tail of the dragon. After being sunk by an enemy in a volcanic crater on Earth's seabed for 300 years, it waits to be awakened by the energy of the black hole and searches for its lost descendants on Earthstory. The main storyline tells the story of six Heavenly Dragon humans, led by Zhang Yu, the Heavenly Dragon Messenger. They survive on Earth for three hundred years, fight against hostile planet humans, save the Earth from the explosion crisis, and help the spacecraft recoverThe thrilling process of returning to hometown and reuniting father and son.