On a trip to visit her grandparents in Japan, Tessa Miyata inadvertently releases the spirit of an evil samurai god who wants to destroy Tokyo, and stumbles upon a hidden part of the city where gods and mythological creatures walk among humans.
When a love potion gone wrong causes Cam to forget his best friend Remy completely, they travel through Tokyo to rediscover his memories, make new ones, and maybe even fall in love all over again.