It's May, Family Month, and MIYEON and SOYEON of i-dle join the cast for a playful race packed with secret missions and quick-witted challenges at locations fit for the holidays celebrated in the month. The members and guests who successfully carry out their required actions will get rewarded, while those who fail will face a penalty. Who has the wits and brains to crack the missions and gain the advantage? (thetvdb.com)