Philip Johnston was given up for adoption when he was six weeks old. He goes undercover in Swansea, where there's been a 55% increase in the number of children taken into care in 10 years.
The Secret Millionaire is a reality television show which originated in the UK, in which millionaires go incognito into impoverished communities and agree to give away tens of thousands of pounds. Members of the community are told the cameras are present to film a documentary. The UK version is produced by production company RDF Media. It first aired in 2006 on Channel 4, with further series in subsequent years.