Trouble is brewing in Noah's Arc Academy. Tension between carnivores and herbivores has never been worse, and at the center of it is a radical group of students who wishes to completely remove carnivores from the school. Worse yet, the arrival of a frightening new transfer student turns the situation even more volatile.

Ambition, popularity, power, acceptance, romance, facades, urges... In this society controlled by instinct, one must choose what mask to wear. It is up to these young animals to decide how to navigate the increasingly uncertain issues of society. If they even have a choice at all.