In the underworld of London, the 'Stranger' controlled the 'Devil's Dozen', a gang noted for the daring and murderous nature of their crimes. However, the Stranger intended to betray his gang members to the police and leave himself with all the proceeds of their crimes. Then one gang menber found out the Stranger's plan and his identity - and was quickly silenced. Private investigator Philip Quest was determined to unmask the Stranger. Would he live long enough to do it?--Back cover.