Despite Gib's passionate arguments, Omega Sector requires the team to work with his estranged father, Al, when the weapons manufacturing plant he built gets taken over by a domestic terrorist organization with employees trapped inside. Harry and Helen must learn to work in sync like never before to neutralize the threat, rescue the hostages and survive the bickering between Gib and Al.

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.