"Union": It's the biggest event in Knothole yet as two Freedom Fighters make the ultimate commitment! Which two long-time lovers will finally tie the knot? More importantly, will the secret Espio learns undo the happy matrimony? It's wedding bells and warning bells in the lead-in to the big issue #175 special event!
The two enter inside Antoine's house, where the Chaotix comfort a nervous Antoine. Sonic asks Knuckles where has Espio the Chameleon has gone to, and Knuckles replies that Espio is on a mission and that he should be back before the ceremony.
Back at Knothole, Sonic wants to congratulate Bunnie, but Rosie insists on making Sonic go somewhere else, until she sends out Amy Rose to distract Sonic. Inside, Bunnie finishes putting on her wedding dress as Sally Acorn and Rosie tell her she looks beautiful. Sally tells Bunnie that she is marrying a good man, and Bunnie thanks Rosie for keeping her at Knothole during the First Robotnik War.
Back at New Megaopolis, Espio enters the robot factory, avoiding any hazards or robots. He then finds a a battle suit and questions upon this strange battle suit.
Back at Knothole, Sonic and Knuckles are waiting for Espio to arrive until they find Julie-Su. Knuckles comments on Julie-Su's dress, and she tells the two that she hates wearing dresses. Sonic then asks if Knuckles and Julie-Su are going to get married anytime soon, but Knuckles replies that they don't need a big ceremony like what Antoine and Bunnie are having. Sonic leaves them being and heads towards Castle Acorn to check up on the Royal Family. Sally comments on Sonic being late, but Sonic and Sally then tease each other via calling each other names. King Max and Alicia Acorn then remember when they were young and how they used to tease each other like that, but Sally denies being teased, as to where Sonic admits it. Elias Acorn then comments how Sonic is practically family to them, and how he almost was at one point, which causes an awkward moment for Sonic and Sally. Suddenly, the Prower family, Amadeus Prower and Rosemary Prower, enters the castle, greeting the Acorn family. Elias thanks Amadeus for hosting the honor guard for the wedding. Tails tells his father that only one person is missing...
Which is Espio the Chameleon, who is looking through the files of Eggman's upcoming plan. Espio is shocked after reading the files, and he runs out of the factory as fast as he can. However, his haste alerts security systems.
Meanwhile, at Knothole, evening passes by, and the wedding begins. Elias gives the statement of how both the groom and bride both won and lost things during the war with Eggman, but now the two can form a union with each other. Elias then wastes no time and declares the two to form a bond between each other.
In New Megaopolis, Espio escapes the factory, only in his haste to get spotted by several Egg Pawns, Egg Flapper]]s, and Egg Hammer. He is unable to avoid them before getting surrounded.
Antoine and Bunnie then put each others wedding rings on their partner, and Elias declares them as husband and wife. The citizens cheer, as never before has there been a pleasant day like this.
Espio then tells a mysterious figure that the Freedom Fighters will rescue him, and that his plans will never succeed. The chameleon is then apparently vaporized. The mysterious figure then gloats that they will never see it coming.