Two teens with special powers solve mysteries: Mark has the ability to read minds, while Song Li has the ability to read feelings. They are in a project run by Professor Henry Powers, who experiments with kids with special powers like the ones Mark and Song Li have. The professor's first experiment was Dr. Mary Holland, who helps Mark and Song Li solve the mysteries with Professor Powers.

David Wiseman is eleven years old and mad about cricket. He has all the kit but none of the skill. When a Jamaican family moves in next door the father starts giving cricket lessons to David, and becomes close to David's mother. But this is 1960's London, and when the locals start making life difficult for the new arrivals, David has to choose between fitting in and standing up for his new friends.