2 Years ago Lee Hana saved an unknown man that she has never seen before from being hit by an oncoming car, he may have made it out safe thanks to Hana, but the same can't be said for Hana.

but Unknown to Hana fate has it that 2 years after the accident she meets the man she saved, but she doesn't he is the one that she had saved and he doesn't know that she is the one who saved him....