"I, The Earth Mother, Gaea, curse you, Perseus Jackson." The Seven think they will have a peaceful life when Percy defeated the Queen Dirtface, but that night, Percy was gone without any trace. Unknown to anyone, Gaea didn't let herself defeated just like that by a mere demigod. She curse Percy to forget his own life and think of himself as Jace Green from London, English. When Piper, Jason, and Nico find him in accident, they never thought of him as their Percy, as familiar he is to Percy. But now, all reveals that Jace is Percy, without memories of his real life. A quest and prophecy was given. And it's up to The Seven and the children of the eldest gods to return his memory.