S1·E799 Running Days: Codename R

Find the two spies who have infiltrated Gyeongseong's business elite! Musical legends Yu Jun Sang, Shin Sung Rok, and Park Eun Tae of Swing Days: Code Name A, join the race. With teams shifting throughout the race, confusion and suspicion run high. In this tense battle of deception, strategy, and chaos, will the spies stay hidden, or will the others uncover their existence?