On this particular night Commander George Gideon has to deal with a couple of psychopaths, who trail pain and blood in their wake. One targets infants, and the other young women on London's foggy streets. There's also an explosive gang war in the offing, and one way or another all of these cases are coming to their breathtaking conclusions at the same time. Can Scotland Yard's finest deal with such a nightmarish scenario, with what would ordinarily be months of time consuming police work crammed into just one night?