Light—now known to the world as Kira—tests the Death Note to understand the scope of its powers by killing off six convicts in various ways—and confirms he can control his victims’ actions before they die.

With a second Kira now on the loose, L asks Light to join the task force and pose as the real Kira in order to catch the copycat. Light agrees, hoping to divert suspicion from himself. To his surprise, this new Kira has a special ability even Light lacks…

Evidence turns up that points to Misa Amane as the second Kira. In an effort to spare her, Rem forces Misa to forfeit her ownership of the Death Note.