All the couples are back for a wedding in Las Vegas, but plans for a romantic weekend go awry when their various misadventures get them into some compromising situations that threaten to derail the big event.
A former thief who is trying to go straight seeks vengeance on those who framed him.
When an eclectic group of terrorists plot to attack the United States from within, it's up to a quasi-military special investigative unit to identify, infiltrate and neutralize the threat.
