11-year-old Harry Carter creates Honc, a phone app that helps geeky kids like him talk to girls. The app becomes the next big thing and an American billionaire buys it for 10 million pounds turning the Carter family's life upside down.
Harry gets caught in the firing line when a kid from computer camp claims he invented Honc, but things do not go according to plan when Liz and Tony try to help. Last in the series.
