正当一个新的建筑项目在一个社区周边启动时,居住在附近的一群小伙伴们不约而同的收到了奇怪的神秘信息。黑夜中不断有奇怪的声音发出,是坏蛋?还是外星访客?…于是,在好奇心的驱使下,一场探险之旅由此展开!"Earth to Echo" follows four young teenagers who find an alien life form that's trying to rebuild its spaceship. Together, the teenagers protect the alien and help rebuild its ship so it can fly back to its home planet.