Mia, an undercover Division agent investigating the domestic terrorist group, Third Wave, is arrested during an FBI raid. When Nikita and Alex spring her, she turns on them, revealing to having lost faith in Division and having joined Third Wave’s cause. But as Division discovers, Third Wave’s leader is in league with the head of a security firm, using the group to attack a U.S. Senator to make more money.
Watch It Here : Nikita Season 3 Episode 4