18 Grams of Love (2007)

Two men concoct a scheme involving anonymous love letters to gauge their wives' fidelity. The unexpected twist comes when their spouses reply, throwing the men into a dilemma. As they navigate the complexities of trust and deception, the situation spirals into humorous and poignant territory. The challenge of confronting their own insecurities and the consequences of their actions leads to unexpected revelations, forcing them to reassess their relationships and the true meaning of love.