Frank searches for answers when a couple kidnap a killer-in-hiding and engage in their own murder spree. Frank must track them down before they find the baby the girl's father sold to a childless couple, because Frank fears they could be next victims.

When Sabrina is apprehensive about inviting Jenny to spend the night because of her "unique" home life, Hilda and Zelda assure her that she has nothing to worry about. But when Jenny accidentally enters the other realm through the linen closet, Drell cites the rule against mortals entering his world and turns her into a grasshopper, so Sabrina and her aunts must find a way to convince her that the whole experience was just a dream. (They get help from the official Rules Keeper, who cites the rule that "Every rule must have a loophole".)

The convicted spy Jason Magida successfully escapes from Groton brig and his way leads him straight to Adm. Chegwidden, who was involved in his court-martial back then. Magida takes Chegwidden, Mac and Bud hostage. Claiming he was framed, he insists the three officers retry him. Harm, in between trying from outside to solve this situation with Webb's help, calls in a SWAT team and then has his hands full of keeping the team from killing Magida. Locations: Groton, Conn.; Falls Church

Charlie finds himself feeling the pressure whilst dealing with a difficult patient as Louis is found to be in perfect health as the team deal with a pair of twins suffering the same problems.