AeRa finds herself having to move to Korea for unknown reasons. Knowing little about her family background and no Korean ,AeRa finds herself in a sticky situation when her family are abruptly taken from her. She then meets 12 stunning boys (exo)who live next door and attends the same school as boy group bts . There are many fights and misunderstands over AeRa's heart ,which has her questioning. What is love?