There is a legend in the town that bus No. 4 Is a special bus that drives people with thoughts of death to the underworld. Unsatisfied with her life and relationship, she decided to get in this car, enter the underworld, and end her life. Suddenly her ex-boyfriend came to see her, which shocked her. But in order to prevent her ex-boyfriend from ruining her suicide plan, she secretly abandoned him and boarded the last No. 4 Bus alone, only to find...
Seeing your loved one struggling in pain makes your heart hurt and you don't want to die.