While enrolled at a special school for advanced study, young mathematical genius Martin Smith (Barry Angel) uncovers government plots to use its students for espionage. Now digitally restored, this gripping television drama was written by Richard Cooper and produced by the BBC in 1981. Naval intelligence officer Andy Rutherford (Jack Galloway) is charged with discovering why two new British missiles exploded during tests, intimating that someone has the capability to destroy the entire British nuclear arsenal. The series combined elements of teenage drama and conspiracy thriller, with the child prodigies being manipulated as part of a scheme involving nuclear power and a mysterious foundation's plan for world domination.