Having just confessed to killing Tom Quill, Aaron clams up again, not wanting to drag Nate into his mess. But Nate desperately wants to help Aaron and convinces him to tell him what happened. Finally swayed, Aaron admits that just before the explosion, he encountered Tom in the underground car park of the hotel. They got into an argument, Tom swung a punch, and in his defence, Aaron punched hi... (thetvdb.com)