Spooks (2002)

S2E6 Without Incident

The President of the United States makes an unplanned visit to London, leading Tom and his team to collaborate with the CIA. Tensions rise as a battle for control unfolds between the two covert agencies, raising the stakes of their mission. Time is running out—will they manage to resolve their differences before a catastrophic error occurs? Meanwhile, Tom's ex-girlfriend is lurking in the background; will she stay out of trouble, or will she need to be dealt with more firmly?