Someone to Watch Over Me... All-night study sessions get the better of a sleep-deprived Dabin, who tries to catch some zzz's near a pond. But when someone pushes her in the water, Dabin nearly drowns! Mr. Choi hears word of the incident, and thinks it must be gang-related-he decides to appoint a bodyguard for Dabin. With tensions simmering between the families, you'll never guess who is hired for the job!