4-th episode of 1-th season "Spooks"

What "Spooks" 4-th episode about

Mi5's best officer, Peter Salter, seems to be joining the enemy. President Bush is scheduled to visit and it seems as though Salter is trying to stop the peace, is this all part of his mission or is he in fact a triple-agent?

Episode number: 4

Episode name: "Episode 4"

Episode release date: 4 june 2002 at 20:00

Status: aired

Rating: 7.6