Following the Link Joker-hen events, Takuto Tatsunagi orchestrates an exclusive tournament called 'Messiah Scramble' through a dream message, challenging Aichi and Kai to compete for the coveted 'Messiah' card. Amidst a global phenomenon of Vanguard card units vanishing, Aichi and Kai unite to face a common foe jeopardizing their hard-earned tranquility. This movie acts as a precursor to the Legion arc, setting the stage for Aichi's eventual vanishing act.