Allen the Alien returns to Earth as directed by the Coalition of Planets - he's come to gather information from Mark about his father - the Viltrumite Traitor. Meanwhile, the Viltrumites have come to Earth to check up on Mark's progress as the reluctant Viltrumite Agent of Earth.

After the hectic events of INVINCIBLE, VOL. 4: HEAD OF THE CLASS, Mark, a.k.a. Invincible, while continuing to deal with the loss of his father, finds himself face-to-face with piles of villains and the worst conflict of all: teenage love! Introduction by Mike Wieringo.