Jung-ah and her husband Hyeon-soo suffer sleepless nights from the passionate couple upstairs, Su-kyeong and Mr. Kim. Hoping to ease tensions, Jung-ah invites them to dinner — but polite chatter soon unravels into raw, boundary-breaking honesty, exposing hidden cracks in relationships with biting wit and emotional precision.

After a traumatic event, a drug trafficker turns sides and conspires with a dangerously ambitious undercover police officer to bring down the mysterious kingpin of a major drug cartel.