After The war against Gaea Percy learns his mother is dead. His father tells him about his newly found mortal family in England. Percy leaving America and meets Harry Potter. Will they stay trusting to each other or will they turn. Voldemort and Tartarus have both come back. Can these cousins settle their quarrals or will that world fall to two evils. Characters not mine Harry Potter belongs to J.K. Rowling Percy Jackson belongs to Rick Riordan