Science teacher Ryland Grace wakes up on a spaceship light years from home with no recollection of who he is or how he got there. As his memory returns, he begins to uncover his mission: solve the riddle of the mysterious substance causing the sun to die out. He must call on his scientific knowledge and unorthodox ideas to save everything on Earth from extinction.

In a remote village on the island of Carpathia, a shy farm girl named Yuri is raised to fear an elusive animal species known as ochi. But when Yuri discovers a wounded baby ochi has been left behind, she escapes on a quest to bring him home.