The first heist of the Phantom Thieves of Hearts is underway, as the group sends Kamoshida a calling card, threatening to steal away is twisted desires. Ren and the gang begin prepping for their dangerous delve into the cognitive world, and encounter a couple potential allies in the process. Will they be successful in taking the terrible King Kamoshida’s precious Treasure?

While making steady progress through Kaneshiro's Palace, Makoto manages to become closer with the rest of the team. With the route to the Treasure secured, the Phantoms confront Kaneshiro's Shadow, taking advantage of his weakness of money in order to defeat him. Before the Palace is destroyed, Kaneshiro informs the Phantoms about a man in a black mask who is able to enter Palaces.