Section 20 tracks Latif to South Africa, when a former IRA terrorist Daniel Connolly, targets a weapons-system designer. Scott switches places with a computer hacker and finds himself being lured…

Scott manages to pass Connolly’s explosive test and works on bypassing a security code. Bratton contacts Marshall.

Conor Devlin continues to seek revenge as someone from Alex’s past comes back into her life.

The team is in Ireland, and when they finally come face-to-face with Conor Devlin, not everyone comes out alive. And Alex makes a life-changing decision about her future.