Once married with a child, their relationship fell apart due to his drinking and her carrying the weight of parenting alone. After the divorce, they became anything but friends—every encounter turning into a bitter fight. Now a police officer, he still watches his ex-wife from a distance, jealousy flaring when she plans to marry a younger man who once helped her.

Unsettled by her choice, he digs deeper and uncovers dark truths about the man she’s about to marry. Despite his warnings, she refuses to believe him—until the danger becomes real. In the end, it's her ex-husband who steps in to save her, proving that sometimes the person you left behind is the one who'll stand by you when it matters most.