#377 - Return of the Heiress Race 2017-11-19 8.8% Im Se-mi Kim Ji-min Kim Se-jeong (I.O.I/Gugudan) Ko Sung-hee acting balloons betrayal betrayers couples dancing goldjihyo heirs idol jumprope kwangmin maposiblings penalty poorkwangsoo ripnametag secretidentity somin unluckykwangsoo vjkwonryeol This week, the Running Man members become sons of Running Airline's wealthy chairman. They need to fight against each other to get to the highest rank, which will consequently give them the right to the chairman's fortune. They are also accompanied by heiresses who will help them through the race. Who will become the final heir to receive the fortune? | 
