In this episode, Gracie and Luna get "punished" for trashing the family bathroom by being sent away to an abandoned building in the territory of an allied Family, with only Marco for companionship. Nobody truly... understands the reason for such a decision, but at least it gives the two an opportunity to bond with the young man, trading lengthy stories at nighttime and doing "detective work" out of the windows during the day. The interminable boredom of the situation is resolved rather unexpectedly, though, when two weeks later a sudden attack on the building puts all their lives in danger - and lets Marco see for himself what a terrifying force of nature sister Luna can be under pressure...
