Two wealthy families are put on opposite ends of the moral spectrum when a shocking secret is revealed, forcing them to make a decision over the course of one dinner that will change their lives forever.

Jae-wan, an opportunistic criminal defense lawyer who has no problem defending murderers, and his younger brother Jae-gyu, a morally adept and warm pediatrician, meet once a month with their wives for a luxurious dinner. One day, security camera footage of a violent crime goes viral, and between the lines, the families uncover a shocking secret. Both couples come to the dinner table with truths that are impossible to accept and principles impossible to reconcile. The dinner starts with a tense atmosphere…

Based on the best-selling novel The Dinner by Dutch author Herman Koch, A Normal Family is a suspenseful adaptation that adds an original take to the acclaimed story after the Dutch, Italian, and American film versions. Get ready for the most intense meal ever captured on film, with a cast of powerhouse actors, known from various K-dramas and films, who add a realistic and thought-provoking taste to it all.