

8.558 minSeason 1 • Episode 20
LatestDirector Jin Myung-Hoon undergoes surgery. Hye-Jung has to make a difficult decision. Seo-Woo finally gets a boyfriend. Lee Hi-Young has her baby.
A recalcitrant, delinquent teen girl meets a compassionate teacher, who inspires her to alter her path and become a street-savvy neurosurgeon.
Acting
Park Shin-hye's physical transformation from brawler to surgeon.
Writing
Flashback structure that actually earns its tears.
Production
Hospital politics feel lived-in, not Grey's Anatomy cosplay.
Trivia, insights & behind the scenes
Park Shin-hye trained with actual neurosurgeons for three months; her suturing in episode 9 is real technique.
The 'student-teacher romance' trope hits differently in Korean context—Ji-hong's wait until she's an adult is the show's attempt to navigate taboo.