When masked spirits attack Ichigo Kurosaki and his friends, the breaking of one mask opens the gates of Hell, and a guardian known as a Kushanada drags the spirit inside. Soon after, a band of damned souls called the Sinners kidnaps Ichigo's sister Yuzu, and a Sinner named Kokuto offers to guide him into Hell to get her back. This fourth Bleach feature film tells an original story set apart from the TV series.