Citadel
Highlands still

S02E06

Highlands

Aired May 6, 2026

Free, with no ads. Tick off what you watch and see what airs next.

Summary

As Joana accelerates the plan to assassinate the Russian President at the G8 Summit, Mason and Nadia take Abby to a safehouse in Scotland. But when they uncover the horrific truth about what was done to Abby, it triggers a devastating chain of events.

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