"Three years following the events of the second season, the Doldam Hospital Regional Trauma Center which was Kim Sa-bu's long-held dream will be opened. The scale of incidents and accidents that Doldam Hospital has to deal with also increased." 

The return cast includes: Han Suk-kyu (Dr. Romantic), Ahn Hyo-seop, Lee Sung-kyung, Kim Joo-hun, head nurse Jin Kyung; and from Season 1, Yoo Yeon-seok in a guest role. 

The stack DVD box set (Golden Card) is brand new, All Region-NTSC, widescreen, Korean language with Chinese and English subtitles.

I am selling a duplicate copy from collection of Kdramas.