Icebound is a dark fantasy, mystery visual novel that takes place in a world locked in the depths of an ice age. It features a non-linear plot with multiple endings, romance, and puzzle game elements.

On the world of Permia, two races, human and feran, share a fragile peace. In the north resides the Holy Empire, whose machinery and society both run like clockwork, and in the south, the Council, a powerful alliance of tribes who have mastered the spiritual arts. In this world, there exists the ability to manipulate the forces of nature - only those who can master their training and summon a Familiar can receive the title of "alchemist".

A wandering alchemist named Dougal winds up in the isolated town of Isenbarr with his Familiar, Isaac, hoping to find a job and earn some spending money. But when he stumbles across a lucrative challenge offered by a master alchemist and his clockwork beast, he must compete with three other unique individuals to obtain the powerful Philosopher's Stone. In his search for a deadly monster, Dougal discovers truths that might be better off hidden, and a secret agent whose mission is all but clear...