When Captain Buck Flashman sees the black boxer catch a fly in mid-flight he realizes that he is in the presence of speed such as the prize ring has never seen. Tom Molineaux may be crude and untutored, but if 'Mad Buck' knows anything (and like his notorious son, the archcad Harry Flashman, he has an unerring eye for the main chance), this ex-slave from America is a Champion in the making, on whose broad shoulders the ambitious Captain can climb to sporting and social fame.