MI-5 Season 6 Episode 8 Infiltration

Ros has been found out by Bob Hogan and has no choice but to tell Harry about her association with Yalta. In a bid to redeem herself she offers to get information on Yalta's latest operation against America. This involves getting inside Yalta's HQ and taking Adam with her, but Yalta already suspects Ros's cover has been blown and, taking her hostage, demands she reveals Harry's whereabouts.