Callum Challenger is a boy with a mission: to track down supposedly mythological creatures and capture their DNA. But while Callum and his friends want to save these beings, an aggressive pharmaceutical company wants to wipe them out. In a fast-paced, high-tech story, Callum and a group of misfit mates a computer hacker, a free-runner, an ex-marine and a pathological liar criss-cross the globe, desperately trying to stay one step ahead of their enemy.