Gabi walks down the aisle to Nick at St. Luke's and Father Eric starts the proceedings. Rafe gives her away and readings are done. Their vows are said and just as Eric's about to pronounce them husband and wife, Chad stands up. He thinks the bride should be marrying the father of her baby. Everyone gasps. Julie and Doug arrive late with apologies and Chad says he was going to let it go until they got to the part about honesty in marriage. He wants Gabi to tell the truth - for once. Rafe tries dragging him out and they end up getting physical when Rafe throws a punch. Hope drags him out into the vestibule and Rafe follows. Hope arrests Chad for assaulting an officer and disturbing the peace. Chad points out that Rafe hit him first. Hope calls for back-up. Inside, Gabi cries. Abby blames herself for bringing Chad and Julie and Doug ask Maggie what's up. Back outside, Chad tells them he overheard Gabi telling Cameron Nick wasn't the father. Rafe shoves Chad. "Lies!" Inside, Kate and Sonny wonder if Chad was telling the truth. Father Eric refuses to resume the ceremony. Will speaks up. The truth has to come out. Outside, Chad thinks the father is Andrew, Gabi's stalker. Inside, Nick begs Will not to ruin their wedding day. Will says they should have been honest in the beginning. He reveals he's the father. Back in the vestibule, Rafe and Chad argue about Gabi being a user and a slut. Hope tells him to shut up and back inside, Gabi runs out. Everyone begs Nick to explain and Sonny runs off with Will trying to follow. He tells Sami he'll talk to her later and grabs Sonny with an earnest apology. Sonny says this changes everything. Billie realizes Kate's a great-grandmother and Kate cringes. In the vestibule, a cop arrives. Sonny leaves the church and tells them it's true. Rafe and Hope head back inside and Sonny calls Chad a bastard. Victor heads out and says Stefano would be proud that he proved himself to be a true DiMera. He goes after Sonny. Inside, Nick explains to Rafe and Hope that he'd do anything for Gabi. Abby leaves and on her way out, yells at Chad for playing her. He explains he didn't plan this. He's shocked to learn Will's the father. He had no idea. Abby and Jenn take off. Back inside, Nick tells Rafe and Hope the whole story. Rafe goes after Gabi. Sami finds her in another room and lashes out at her creating a family at her family's expense. "You were trying to keep my child's child from him and me." She guarantees that won't happen. Back in the chapel, Kate fires Nick. He sighs. If she wants to buy him out, he won't need a job for another year or so. She should do what she needs to do. Hope chastises Kate for going off on Nick when he's down. Nick goes to face Chad and promises to take revenge when Chad least expects it. Meanwhile, Sami accuses Gabi of using Will and her. Gabi tries to explain in between sobs until Rafe tells Sami to stop it. Eric and Caroline snuggle in a pew in the chapel. She tells him he did well. It's not how he pictured his first wedding! He knew something was off with Nick and Gabi. Back in the vestibule, Hope hands Chad a citation. The cop leaves and Chad admits he is sorry he hurt Will. He leaves and Julie and Doug find Hope alone. She tells them Nick's optimistic about this arrangement working. Julie worries about Gabi and the baby. "This is so much to deal with." In another room, Sami and Rafe argue as Sami feels Gabi and Nick were "guilting" Will into leaving his child. Rafe tells her it was Will's decision to get Gabi to an abortionist.

Victor heads into the cafe to see Sonny, and gives the wedding disaster a 7. Nobody was blackmailed or shot, but Chad should watch his back. It wasn't as bad as the one Carrie broke up when she learned Sami was lying about Will's paternity. It was ironic to watch Sami's reaction. Victor thinks it's best to find out about Will before he got in too deep with Will but Sonny says it's too late. He's already in love with Will and planning their future.

Lucas finds Will in the park. He's been avoiding his responsibilities as a father but it's all going to stop. Nick eavesdrops nearby.

Victor returns home to Maggie. They update each other on what went on after the wedding and hope it works out.

Sneak peek!

Marlena offers Will support.

Sonny and Will talk.

Abby tells Chad to take a hike and Cameron makes sure Chad does so.

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- Christine Fix