Areum, a cheerful, adorable, and slightly scatterbrained modern girl, suddenly finds herself caught in a bizarre accident — a small mishap in her time causes her to wake up in the Goryeo era, an ancient world full of strict protocols, grand palaces, and... a handsome crown prince!
With no clue how to return to her original world, Areum is forced to pretend to be a noblewoman amidst the strange and unfamiliar palace life. Her clumsy, funny, and ever-restless nature often stirs chaos, shaking up the rigid traditions of the court.
Meanwhile, Crown Prince Wang Joon — the cold yet striking heir to the throne — finds himself drawn to Areum’s unique charm. Though often bewildered by her strange antics, Wang Joon slowly becomes captivated by her sincerity and adorable spirit.
On her quest to find a way back to the modern world, Areum launches a series of wild plans — from creating bizarre inventions to bringing the palace to life with modern songs and dances! But as time passes, her heart becomes increasingly tethered to Wang Joon... leaving her torn:
Does she truly want to return home, or has her heart already found a new home here?
With a delightful blend of laugh-out-loud comedy, sweet romance, and surprising drama, Lost in the Goryeo Era delivers a timeless love story — full of laughter, tears, and the magic of the heart.