His life takes a sharp turn when he is tasked with treating the King's migraines. Stricken by a sudden, mysterious case of "the shakes," Heo Im fails to perform, leading to charges of treason. While fleeing soldiers, he is cornered on a bridge, shot with arrows, and falls into a river. Instead of meeting his end, he miraculously awakens in 21st-century Seoul, still clutching his mysterious acupuncture needle box.
—it is the catalyst for the time travel. The episode also establishes the "culture shock" comedy that carries the first half of the series. 5. Watching Tips
The episode introduces us to Choi Myung-hee (played by Kim Ha-neul), a seemingly ordinary woman who leads a mundane life. However, her world is turned upside down when she discovers a mysterious letter that changes everything. The story quickly gains momentum, and I found myself invested in Myung-hee's journey.