Two angels, one good and one bad, are sent to Earth to compete for the very questionable soul of a boxer. The last 10 years have been nothing but tough times in Heaven, with Hell winning the battle between good and evil.
So, when Heaven's managers finally have the opportunity to win the soul of a boxer and shift the balance of power, they send their best angel for the job. When Hell's Chief Executive gets wind of this, he counters by sending his most experienced operative to Earth. The battle between Heaven and Hell is on.