Jamaica, an island paradise...where human emotions are laid bare under the tropical sun! Douglas Lockwood, (Bill Travers) is a gifted teacher at Leonard Pawley's experimental school situated in Jamaica. During one summer, a private plane crashes into the mountains a short distance from the school. Lockwood helps rescue passenger Judy Waring (Virginia McKenna) and quickly develops a romantic interest in her while she convalesces at the school... Meanwhile Leonard Pawley's wife (Yvonne Mitchell) has her own romantic interest in Lockwood and a love triangle quickly develops. The love interest of the adults and the behaviour of the school children see temperatures rise under the burning summer sun.