The Fighting Heart (1925)

A troubled young man, burdened by a legacy of alcoholism, loses the trust of his sweetheart after a street fight with a prizefighter. Determined to prove himself, he heads to New York City, where ambition takes him to the boxing ring. Fight after fight (inside and out of the ring), he starts to rediscover his values, hoping it will be enough to earn back his estranged girlfriend's love and forgiveness.