On the Brink (S07E05)

With the British economy teetering on the edge of disaster, the fallout from a single bank failure could lead to a total financial meltdown. Ros takes on an undercover mission in the City to track down a powerful international financier determined to bring the nation to its knees. However, as she delves deeper into the high-stakes world of finance, she realizes that her own life is now in jeopardy, adding a personal threat to an already dire situation.