SBS's variety program 'Running Man' will be taking a turn for the dramatic in next week's episode, featuring beautiful actresses Go Ara and Lee Yeon Hee.

Themed around the filming of an actual K-drama, the episode seems to initially start off lovey-dovey, with the cast members engaged in couple games and re-enacting famous tropes from some of Korea's most popular television dramas.

However, a Korean drama wouldn't be living up to its name without a massive reversal of some sort, and the 'Running Man' cast and guests are shocked by the news that there's a secret surrounding the birth circumstances of one of the members. Who could unravel the mystery and become the heir to the 'R' syndicate? Will there be a reversal in fortune?

Check out the preview for yourself below!