Oh! Youngsim S01 E01 One Is One, Not Two

Young-sim's career is on the line. She gets one chance to keep it alive by taking on a pilot reality dating program. She uses all her power and connections to find the right guests. Miraculously, one of them is a high-profile CEO of a startup company, and he turns out to be the childhood friend who left her waiting on a park bench twenty years ago.