Dixon explains to the team that a computer worm, originating in Berlin, has targeted hospitals, laboratories and universities. They believe it's a Covenant attack and he sends Vaughn & syd to Berlin to find a hacker who knows how to stop it.
In a night club in Berlin, Syd and Vaughn reach their contact but he is killed by Lauren, who's also there in waitress disguise. Syd chases after the shooter and catches a glimpse of Lauren.
In Florence, Sark and Bomani use the keys to open the box, revealing the beating di Regno heart. The box is an elaborate writing machine that scratches a message onto a scroll of parchment. After learning that CIA knows about the worm, Bomani questions Lauren's abilities.
Lauren "visits" Syd & Vaughn in Berlin and corrupts the disk containing the info about the worm. However, Marshall manages to save some info and reveals that the purpose of the worm was to gether info for the Covenant. It was searching for the genetic code of a woman.
Syd & Vaughn are looking for a man called Viadro. Lauren gets there before them. They fight off guards and when Viadro tries to kill Syd, Vaughnn shoots him.
Lauren gives Bomani a computer disc. He's about to kill her when Sark shoots him dead. Jack's contact Diego tells him the front for The Trust is Project Centrigrade. Dixon tells Jack that Barnett's notes reveal that Sloane had an affair with Irina. Jack tells Sloane that he couldn't verify existence of The Trust. Sloane says that both Jack and Syd will be affected if The Covenant finds The Passenger.
Jack tells Syd that he thinks The Passenger is Irina, because Il Dire's message said "peace," the etymology of which is a derivation of Irina. Vaughn asks Lauren what she did while he was gone. She just gives him a kiss. Vaughn checks her belongings while she's in the bath. Under the false bottom of a trunk, he finds a Goth wig, a passport and a gun.
Parts of the recap have been borrowed from Alias Media.