Plastic surgeon Seok Ho and his psychiatrist wife Ye Jin host an evening dinner with their good friends. Tae Soo and his wife Soo Hyun are the first to arrive and are soon joined by Joon Mo and his wife Se Kyung. Lastly, Young Bae arrives late and by himself. While the good friends enjoy a full-course dinner and alcohol, Ye Jin suggests that they play a game. The game requires everybody to leave their cellphones out on the table. Whatever text messages or phone calls that arrive are then shared with everybody. What secrets will be revealed among these intimate strangers?