人类使用地层飞船深入地球内部进行探险，一艘地层飞船在航行中失事，下沉到地心，船上只剩下一名年轻的女领航员，她只能在封闭的地心渡过余生...... The mankind explores the inner earth with stratum vessels. A vessel wrecks during the exploration and sinks down to the earth's core. Only a female pilot survived, and she had to spend her life in the sealed earth's core.