Each week a different multi-millionaire searches for people whose lives he or she can change for the better. Each of our modern-day philanthropists must guarantee to give away thousands of pounds of their own money. For ten days, the millionaires leave their wealthy lifestyle behind and go undercover to live in some of the UK’s toughest areas. They conceal their true identities and immerse themselves in communities with the aim of finding those people that they think deserve their help. On the last day of their visit, they reveal their secret and write their cheques.
The first programme in the series sees one of Britain's highest-flying young entrepreneurs coming face-to-face with street crime in 'the Asbo capital of Britain', Manchester. Leaving behind his wife and four children and swapping his treasured Lotus Elise for a clapped-out Nissan Sunny, James will live in Moss Side, an area with a reputation for knife and gun crime, while he's living undercover he'll volunteer as a youth worker.
The second programme in the series follows a successful businesswoman as she travels to an area with some of the highest unemployment in the country to meet people who've never had the support and opportunities she herself has had. Leaving her luxurious, Versace lifestyle and family behind, Kavita travels to Ladywood in Birmingham, an area suffering from some of the highest unemployment rates in the country.
Worth an estimated £200 million, property tycoon Nick Leslau is this series' richest millionaire. Now he's swapping his luxury lifestyle to work with severely disabled people in Glasgow.
In this week's programme marketing millionaire Carl Hopkins travels to the former mining town of Easington in County Durham, setting for Billy Elliot and one of the most deprived areas in Britain, to see if he can help the declining community.
26-year-old millionaire Daniel Smith goes undercover for ten days, living in a council block in Elephant and Castle.
Fifty-one-year-old Hilary Devey has built up a business turning over £100 million a year in the male-dominated haulage industry. Now Hilary wants to give something back, so she's going undercover on a tough housing estate in her native north west. Growing up in Bolton, near Manchester, Hilary was driven by her publican dad's ethos: "If you can walk, eat and sleep, you can work." She travels to Rochdale, just a few miles from Bolton, to live undercover for ten days on the Falinge estate, which has a reputation as a no-go area, and is notorious for having the highest percentage of people on incapacity benefits in the country.
Gavin Wheedon runs a successful translation business, but leaves his millionaire's lifestyle behind to return to the faded North Wales resort of Rhyl, where he spent his childhood holidays. Working undercover at a B&B, and living on benefits, Wheedon searches for people he can help in a community that has gone downhill since the advent of the cheap package holiday.
Caroline Marsh relocated from Zambia to England in 2003, and made her first million after discovering a talent for property investment. Caroline goes undercover in Toxteth in Liverpool, and is the first Secret Millionaire to bring their child with them as she takes her two-year-old son Ashley to an area where three quarters of children live in poverty.