Complete story — includes the ending
Vaughn disobeys orders and attempts to help Sydney and Jack avert the destruction of SD-6 headquarters and all its occupants. Meanwhile, McKenas Cole continues his vendetta against Sloane searching for a mysterious device. The daughter of David McNeil, a convict condemned to life for an affair having to do with SD-6, convinces Will to continue his investigation and help her imprisoned father. Vaughn helps Sydney out of SD-6 and they recover what Cole was there to get, a mysterious vial of liquid with the inscription <O>, a recurring symbol found in Rambaldi's inventions and manuscripts.
Sources and content license
Source and revision history · Adapted from Wikipedia contributors, Alias season 1. HTML formatting and reference markers removed. · Content license