Mars. 2354. There's no air to breathe outside the city cavern.
Andie and Aiyana, Mons High Olympians, have discovered a hidden tunnel with a mysterious portal that leads to a deeper mystery. Just one problem: there’s no way to open it, despite a cryptic clue left by the city builders.
As Halloween and Homecoming approach, their mountain home, Olympus Mons, rumbles to life. Amid ominous warnings from the deep, they've got each other's backs and they're in for the fight of their lives.
These are the stories of life in a Mars High School.