Gathered by agent Emmet Proudhawk, five teens with mental powers share a mysterious bond. Combining their psionic power, they can summon the Psi-Hawk, an entity greater than the sum of their parts. But with Proudhawk murdered by agents who want to control them, the Psi-Force team find that power is a curse. Now Proudhawk''s long-lost brother arrives, hounded by his own enemies, and the mighty Psi-Hawk is about to meet its match!