A large, carefully plotted "cash-in-transit" raid goes hopelessly awry when armed policemen intervene to seize the perpetrators. Relatives and friends of the incarcerated are convinced that informationthe date, the timewas leaked by the only man to escape before his arrest. Deputy Constable Colin Harpur and Assistant Constable Desmond Iles are delegated the job of hiding and protecting the informant and his family.