"It doesn't matter if you're a middle-class daughter or an alien princess from the future! The world is in trouble, and I'm counting on you." Ambitious and determined Mina Mohan was born in the year 2130, on the new planet Renasteere. After discovering a family secret that whisks her away 125 years into the past to the Lost Planet Earth, she meets an unusual girl with a familiar face. Time is running out, and Mina needs to return home, but she is torn between saving the human race in two different worlds.