Former world boxing champion Danny 'the Green Machine' Green's raw courage in the boxing ring - and his humanity outside of it - has made him one of Australia's most admired fighters. In CLOSED FIStS, OPEN HEARt: tHE DANNY GREEN StORY he documents the life of a modern day gladiator in a series of fast paced anecdotes which get straight to the heart of boxing and why men continue to pursue the sport.