to disapprove. However, once Sonny makes it clear that he definitely loves Will, Lucas becomes more accepting. With their relationship going so well, Sonny agrees to lend Will some money. Meanwhile, Sonny notices tension between Chad and the pregnant Gabi but Chad refuses to give him an explanation. In January 2013, as Gabi is set to marry Will's cousin Nick Fallon (Blake Berris), Chad interrupts the wedding by announcing Nick is not the father of her baby, forcing Will - the best man - to reveal himself as the father. A devastated Sonny demands answers from Chad who reveals that Gabi was behind the scheme to kidnap his then girlfriend Melanie—but he did not know Will was her baby's father. Sonny reconciles with Will but is very wary of trusting Gabi and Nick. Sonny's suspicions prove true when Nick blackmails Will into signing away his parental rights in exchange for Nick keeping quiet about Will shooting EJ DiMera (James Scott) in 2007. Nick and Sonny later get into a fight, forcing Will to go to his mother Sami Brady (Alison Sweeney) for help. Sonny supports Will and Sami's plans to ingratiate themselves to crime lord Stefano DiMera (Joseph Mascolo) in hopes that he will destroy the evidence against Will. Meanwhile, Sonny and Sami steal Nick's copies of the recordings of Will's confession. In May 2013, Sonny and Will follow Nick and Gabi, who are being held at gun point by an armed gunman. They rescue Gabi and Will stays behind to rescue Nick. However, Gabi goes into labor and Sonny helps her deliver her daughter, Arianna Horton, in an abandoned shack. Sonny is distraught when Will gets shot trying to rescue Nick but, fortunately, he pulls through. After Gabi splits with Nick, Sonny convinces her to move in with them so they can raise Arianna together. Later, Sonny and Will are furious to learn that Gabi is seeing Nick again and Gabi threatens to move out with Arianna if they don't back off. They are relieved when Gabi soon breaks up with Nick on her own. After Nick mysteriously disappears, claiming to have left town—Will realizes Sami, Gabi and his grandmother Kate Roberts (Lauren Koslow) are hiding something and Will assumes they are planning a surprise birthday party for him. Sonny listens in on one of their conversations at Will's request only to learn that the three women are covering