Episode 1 (S02E01)

Sixteen months after the bombings, Trestford boss Richard Melnick is found dead in Antwerp. At his memorial service, Bibi is told to leave by Frances Swann, Melnick's successor. The CAB team, led by Claire Wallace, discover their files have been hacked, and CTU’s Christian De Jong remains under investigation for the shooting of Luca Rivera. (BBC iPlayer)