Carly has Jacks phone call traced to the rest stop. She and Rosanna head there in the hopes of finding a clue to where Jack is. Jack is gone, but Carly finds JJs baseball cap hidden in the bushes. Carly sees JJs name written inside the cap and recalls meeting Julia and JJ at the water park. She is certain that they have a connection to Jack. Meanwhile, Jack meets with a computer geek about obtaining new identification documents. Later, Jack returns home to Julia and announces that he, Julia and JJ are going to be a family. Aaron professes his love to Alison and reveals that Chris is involved with another woman. Alison doesnt buy this and lashes out at Aaron, convinced that he is merely jealous of her relationship with Chris and runs inside the church. Chris sees an upset Alison and whisks her away for a real wedding rehearsal and comes off looking like super groom. Later, Alison confides in an increasingly alarmed Susan that Aaron accused Chris of having an affair. Meanwhile, Emily and Hal quarrel over his decision to bring Will into their home without bothering to consult her. They admit that outside obligations have created a rift in their marriage. Hal is called away before they can discuss it further, and a vulnerable Emily runs into Chris at his and Alisons honeymoon suite. Emily tells Chris not to say a word and leaves a vulnerable Chris alone when Alison calls to say that she loves him. Chris returns to the sentiment as Aaron drowns his sorrows. Following the rehearsal, Margo is hopeful for a future with Tom.