No Retreat, No Surrender 3: Blood Brothers (1990)

Plot

Two brothers, polar opposites in their beliefs—one a dedicated policeman and the other a skilled martial artist—must set aside their differences. United by a shared grief, they embark on a quest for vengeance after their father, a retired agent, is murdered by the mafia. As they navigate their conflicting ideologies, the brothers' journey becomes a testament to family loyalty and the power of reconciliation, culminating in an intense showdown against their father’s killers. Blood ties and personal convictions intertwine in this action-packed tale of revenge and redemption.