Doctor John

A former actor is given treatment for a rare type of cancer; Yo-han begins to experience some worrying symptoms.

During an investigation into a patient's switched-off ventilator, Seok-gi is surprised by the findings and Yo-han's actions.

Si-yeong embraces her role as Yo-han's guardian; a young patient returns with new symptoms; Yo-han and Seok-gi learn about each other's conditions.

Si-yeong tearfully bids farewell to loved ones; after pushing her away out of fear, Yo-han finally gives her his answer.

Two anesthetists work together to find the cause of mysterious pain their patients suffer.

Two anesthetists work together to find the cause of mysterious pain their patients suffer.