MAX FLETCHER, a gangly, asthmatic teenager, is sure the gray van following him is involved in his dad's disappearance. His concerns soon lead him into an inter-dimensional battle of wits and courage when a strange boy gives Max and the McKenzie twins, VIC and MEREDITH, a puzzling poem. Enlisted as Irregular Ones in the service of the Arkalos immortals, Max, Vic, and Meredith use their extraordinary powers to save Max's dad from kidnappers, then set out to prevent KOS EIVAL of the planet Gentor from acquiring unspeakable powers and enslaving Earth.