This week, Running Man plays out the Ggannes Film Festival, a spinoff of the Cannes Film Festival. Actress and singer Jun Hyo Seong, actor Kang Tae Oh, comedian Heo Kyeong Hwan, and singer Yoyomi join the cast and dress up as famous Korean movie characters for the festival. However, two very unhappy directors hidden among them threaten to crash the show. It's up to the actors along with the one national actor, also hidden among them, to save the festival. (thetvdb.com)