At the APO office, Marshall reports to Jack that a microchip found in Renee Riennes body contains encrypted data with an incomplete algorithm. He discovers that "Andre Micheaux" is etched on the microchip. Unbeknownst to them, their conversation is being recorded.Jack and Sydney conclude that Vaughn might have info about the chip since Renee and Vaughns father had known each other. They agree that Vaughn must be contacted..In Zurich, Peyton tells Sloane that Sydney is heading to Nepal to meet someone regarding the chip. When Sloane advises that Prophet Five send someone to intercept, Peyton introduces Anna - now Sydneys doppleganger. Sloane briefs her but comments that shes hardly Sydney and reminds her that shes dispensable. As Anna leaves, Sloane has a vision of Nadia, who tells him that hes just as dispensable.At APO, Tom decodes a message hidden in a magazine. Rachel, feeling insecure, interrupts him. Tom assures her that shes a good agent.Anna arrives in Nepal and deceives an escort expecting to meet Sydney. He tells her that Vaughn is excited to see her and his hideout is just a few minutes away. She kills him and gives his distinctive scarf to an accomplice.Marshall discovers that the whole APO office is bugged. He meets Jack at a parking lot and shares the news that Sloane have placed the office on passive surveillance. They conclude that Sloane must have installed a backdoor access to APOs security system before his rights had been revoked.Sydney arrives at the airport and is picked up by Annas accomplice. Jack phones and informs her of the security breach and the possible intercept. When the impostor suggests that they help a stranded stranger, Sydney elbows him and tries to grab the wheel. The stranger fires gunshots at them and the jeep veers off the road and into a ravine.Trapped under the jeep, Sydney watches as Anna takes the chip from her backpack. Anna says shes going to pay Vaughn a visit and sets the jeep on fire. Sydney escapes in time.