Watch Wedding is Business (2021) : Full Movie Online Free Sang-cheol, who had been doing well in medical school was unable to graduate due to his father's business failure, and entered the path of being a film director instead. It's been a while since he’s been in touch with his college junior, Nam-soo, who had a hard time living in college to have a doctor title. He is living well because he married an actress. Nam-soo feels that Sang-cheol is having a hard time and suggests that they live together in his house.