She was a bed - ridden patient having Crohn 's disease , and she utterly despised her fellow patients who were already being discharged from the hospital .
Joo - an discloses to Yoo - beom her bitter past which lead her to doing such a heinous crime .
Yoo was a bed - ridden Yoo having Crohn 's disease , and Yoo utterly despised Yoo 's fellow patients who were already being discharged from the hospital .
Joo - an discloses to Yoo - beom her bitter past which lead her to doing such a heinous crime .