After the events of Link Joker-hen, Takuto Tatsunagi announced an invite-only tournament in a dream, and invited both Aichi and Kai to take part in "Messiah Scramble". The prize being the card named "Messiah", the name of a saviour that was heard in a dream. At the same time, there were many incidents of units disappearing from Vanguard cards throughout the world. Aichi and Kai team up to a confront an enemy that threatens the peace they've just regained. The movie is a prequel to Legion, leading up to Aichi's disappearance.
Joe Yuki, one of the coolest DJs in Shibuya, has a secret identity as the leader of gangs. Because of his traumatic childhood, he fiercely hates "weaklings" and sees winning as his only option in life. One night, an old man is being taunted by the kid known as "the human punching bag." The old man reminds Joe of his parents and childhood, and he uncontrollably challenges the kid to a fight. A fight in which he's defeated, and his pride is utterly shattered into pieces.
In the last chapter of the Refrain Blue series, the bond between Yoshihiro Matsunaga and Nao Morisawa grows stronger, while Yoshihiro finally finds out the identify of the mysterious girl from the first chapter.
The second chapter in the Refrain Blue series focuses on Nao Morisawa and the events that happened at the summer camp last year, with her and Yoshihiro Matsunaga both unable to let go of feelings of the past.
The first chapter of the Refrain Blue series, tells about the recollection of Yoshihiro's past about various events of summer school, of the fate where encounter and separation are interwoven with each other, as Yoshiro and Matsunaga will pass the Toyo Gakuen and will arrive at summer school at seashore. A mysterious girl smiles as she watches Yoshiro who stands still at the seashore dusk.