Liam Cooper is like any ordinary high school student trying to cope with his grandfather's death. His grades and performance on the field are suffering, but his grandfather had a secret he only told Liam in the guise of stories: he was from a land filled with giants. On a weekend camping trip, Liam and his friend Frank find themselves immersed in the land of his grandfather's stories. Now, he must go on a dangerous mission in the heart of the giant's home if he ever wants to see his family again.