The Third Charm is a story of two people spanning over a period of 12 years. From their college years to a more mature age of 32, will they find true love when they meet for the third time? In college, On Joon Yeong (Seo Kang Joon) is an intelligent but shy university student who meets Lee Yeong Jae (Esom) on a blind date. Lee Yeong Jae (Esom) is an optimistc 20 year old assistant hairdresser. She is not shy - the complete opposite to Oh Joon Yeong (Seo Kang Joon). Will they realize that they're everything they've ever hoped for during their twelve year on-again, off-again relationship?