A telesales firm in Kolkata, India, is calling UK landlines, selling a telephone system that it claims can end the menace of scam calls forever. Except... it can't. The team starts to unravel what they're really selling and the British boss behind it all.

A scammer claiming to be a senior manager at a high street bank mercilessly targets a traumatised victim. The Ground Interceptors are called into action to reach the woman before it's too late. The team also investigate a series of video messages supposedly from Donny Osmond - can they be real?