The Omega Sector team partners with Arnie and Sharon, two retired Omega operatives, to locate a mystery assassin who murdered members of their former team. During the mission, Arnie and Sharon give Harry and Helen a frightening glimpse at what a career at Omega can do to a romantic relationship.

When an ex-Omega Sector operative asks the team to help stop the sale of weaponized uranium, Harry finds himself struggling to reconcile his loyalty between his current team and his former comrade, who continually demonstrates some questionable, yet effective, tactics.