Jalil, a fellow student, and Senna's half-sister, April O'Brien, appear in the scene, which marks the point where four of the main characters first get together.

David, Christopher, Jalil and April wake up in the captivity of Norse god Loki, who claims to have opened the portal into the "Old World" so that his son, Fenrir, could bring Senna, who he calls a witch, to him.

The group take refuge in a Viking camp posing as minstrels, and are sheltered by Olaf Ironfoot (the leader) as a defiance to Loki.

The Vikings sail to war, along with David, Christopher, Jalil and April, against the Aztecs and their heart-eating god Huitzilopoctli.

The book ends at the beginning of the battle, where David, Christopher, Jalil and the Viking men appear to be winning against the Aztecs.