When a famed sunken battleship of the Japanese Imperial Navy starts wreaking havoc near the Panama Canal, Domoo realizes it's due to Evolutionary Invasion Objects, and sends in the Second Platoon.

It seems the end of the world is now, with Link Joker units brought to life, swooping down and stealing lifeforce from people, while hordes of Reversed fighters try to pick off the last of the un-Reversed. The gate will open completely as soon as Aichi is beaten by Dark Takuto... and though the odds are stacked against him, Aichi holds on to one last bit of hope...

Seido, Inashiro Vocational, and Shuhoku are having a three-way round-robin. Game two of the round-robin is Inashiro vs Shuhoku, and the ace of Inashiro, Mei Narumiya, is pitching this game. He's the one who shut out Seido's batters at the last summer tournament semi-final. To make matters worse, Narumiya shows off a new weapon he didn't have last year. The pitch lights a fire under Seido's ace, Tanba. He too has a new weapon he's been working on.

Chitoge faces surprising difficulties in her attempts to thank Raku for rescuing her. After discovering the true nature of Chitoge and Raku’s relationship, Onodera tries to muster up the courage to confess her true feelings for Raku.

Mutta has been assigned to the CES-62 backup crew, but his fellow members aren't keen to work together. Will the arrival of Eddie Jay, their leader, turn things around?

The Honnouji Academy Cultural & Sports Grand Festival comes to an abrupt and very unexpected conclusion! Battle lines are drawn and Ryuko must decide who is friend and who is foe. But will she have the power to resist the power of the Life Fiber?