When an old building collapses resulting in several casualties, a disaster medical support team is dispatched to the site.

Wounded soldiers are rushed to Doldam Hospital. Ah-reum is left alone to tend to the emergency room when rogue patients suddenly cause a scene.

Cha Jin-man hates that Teacher Kim’s methods are deeply rooted into Doldam Hospital and takes everyone except Sun-woong and Dong-hwa to the trauma centre.

While Ha Do-yeong comes across an intriguing game opponent, Yeon-jin realizes her deepest secrets are at stake when she tries to intimidate Dong-eun.

After securing the services of an amateur sleuth, Dong-eun uncovers scandalous secrets that she leverages for the next phase of her scheme.