Jack and Bunnymund travel to Arendelle for important reasons. One of those is to investigate the mysterious things that Jack has heard about the popular Snow Queen and to reveal that Pitch is planning on destroying not just the Queen's first Easter, but potentially the world. Jack and Elsa must work together to stop Pitch and to piece together their own past lives as lovers.

Mello and Matt are in a strange situation. Mello doesn't want to be number two anymore and he's decided to break away from Rod and start his own mafia in Europe. The Kira case concluded two months ago and they've started up a new friendship with a mysterious girl named Alraune who helped them out in the Kira case. How will things play out for the three?