Abby's escape triggers deadly events as Mason fights Manticore assassins. Paulo and Joana advance their weapon while pursuing Mason. Bernard and Hutch race to reunite the group. After a unhappy clash with Nadia, Mason seeks help from an old enemy and uncovers Bernard's dark secret.
Eight years ago, Citadel, an independent global spy agency, was destroyed by a new syndicate, Manticore. With their memories wiped, elite agents Mason Kane and Nadia Sinh barely escaped with their lives. Eight years later, Mason's former colleague, Bernard Orlic, asks for his help to prevent Manticore from establishing a new world order.