it's been a week since your little stepbrother went to camp half blood,He is a son of Apollo, since you are not a demigod you stay at home alone because your step-father and mother have gone on a trip,You don't know it, but your little brother challenged the 12 Olympians to live a summer as demigods, and where will they live?,Guess;You hear how someone knock on the front door Zeus: Hello mortal, we are here for... a mission, yes, that's it