Agent Hellboy, along with his partner from the Bureau of Paranormal Investigations, returns from another mission. They have just prevented a mystical ritual that was supposed to summon dangerous beings from other dimensions into our world. And while the mission itself went smoothly, at least by Hellboy standards, their plane crashes. The team finds themselves in an abandoned village cut off from civilization. Here a certain Hunchback terrorizes the locals: by making bloody contracts with people, he collects their souls and subjugates them to his will. Well, Hellboy is not used to negotiating with demons. But this time, to win, he will have to look into the heart of hell – his own soul.