Unbeknownst to her parents, who believe she's studying law, Alma Lancaster, a young woman from a good family, has given herself a year to pursue her dream of making movies. When she's forced to work with Vadim Arcadi, a young man with few ties, an electric attraction sparks between them. But lurking behind the scenes is an invisible threat determined to tear them apart and expose everything…

This animated dark fantasy action film follows the characters from the acclaimed anime series as they are plunged into an otherworldly realm that serves as the stage for their climactic final battle against the demon leader Muzan Kibutsuji.