RachaelLeighcookstarsasaGaiaMoore,awomanbornwithoutthegeneforfear.Gaia'smotherwasmurderedandherfatherisanantiterroristoperativeinhiding.SheisrecruitedbyhergodfathertojointheFBIspecializedcrimedivisioninNewYork.IanSomerhalderstarsasacriminal-turned-FBIagent.