Ji Yeon-hee is an extreme introvert with a crippling case of blushing whenever she talks to someone she likes, making romantic relationships nearly impossible. Her life turns upside down when the members of the mega-popular K-pop boy band EXO move into the house right next door to hers. Tasked with working as their housekeeper, Yeon-hee finds herself caught in a whirlwind of awkward encounters, comedic misunderstandings, and secret romances, particularly involving the brooding Chanyeol and the sweet D.O. As Yeon-hee gets closer to the boys behind the global superstar facade, she must navigate the jealousy of fans, her own deep-seated insecurities, and unexpected feelings that blossom in her own backyard. The series blends romantic comedy with fan-fiction tropes, offering a lighthearted look at what happens when ordinary life collides with extraordinary celebrity stardom.