A young technician, Jensen, disappears from an activity on the Earth. Unexpectedly, he appears at a remote planet millions of light years away--Colia. And he happened to be rescued by a girl Laura, and later they meet another girl Liya. Both girls have similar experiences with Jensen. They overcome the various difficulties and build the house and grow the grain and vegetables. By a very occasional opportunity, they find that Layin Lake's Layin Island has an astonishing secret. Discovering the secret, they soon find a surprising fact: in the old Colia, there is an advanced civilization that disappeared at least five hundred years before during a tragic space disaster. Jensen and their partners discover and use the skill that they find from Layin Island to rescue Scott and his sister, who are associated with that catastrophe five hundred years ago. Catching the opportunity, Jensen and his group start to struggle with the second harmful rays disaster. Finally, with the help from a super civilization, they eventually start to rebuild their new home planet, Colia. The whole story is amazing and attractive, especially Jensen and his partner's romantic and passionate stories leading to an unexpected, brilliant result.