Yoon Minho may seem like your average, slightly clumsy kindergarten teacher, but she harbors a remarkable secret: the ability to travel through time. When the National Museum commissions her for another thrilling time-travel mission, she finds herself unexpectedly crossing paths with the enigmatic and aloof Park Ewan. Ewan seeks her help in locating a priceless historical artifact, and despite their less-than-ideal first encounter, they embark on a captivating journey that blurs the lines between history and romance. Join them on this exhilarating rollercoaster ride through time and love!