Sometimes you just have one of those days. Billy just wants to stay Captain Marvel all the time and not change back into his normal self. That is, until Mary reminds him of a problem-he has detention! Meanwhile, Theo Adam now has the 7 Deadly Evils serving him as sidekicks. And he's not making matters any easier when he kidnaps Billy in hopes of stealing his power-granting magic word. When Mary finds Billy captured, she sets out to save him as Mary Marvel. But, things aren't always that simple when Theo Adam is around.