An amnesiac man dreams of a sawmill in the Alps. Curious about what this could mean, he decides to go and find the sawmill. There he begins discovering the house's mysterious connection with the woman only known as Anna. As he begins to experience bizzare incidents, the man must now try to discover what the sawmill's history is, before the horror that lurks there consumes him.

Anna is a horror adventure game in which players solve puzzles to uncover the cryptic secrets behind the dark and horrific past of the sawmill, and the true story behind Anna.