The Husband's Revenge

The protagonist works away from home for years to support his family, only to discover his wife has been unfaithful with another person. He adheres to reason, refraining from extreme actions. The one who betrayed the marriage ultimately reaps what they sow. The protagonist chooses to let go, move on, and start a new life, conveying that marital fidelity is precious and one can find peace by choosing good.