Maybe it's an suspenseful, thriller and drama movie but I'm sure it's an good movie to calm your stress. Both the lead characters Joon woo and Yoo Bin were in danger between those zombies but they were still trying to save each other. But the Most great thing is they both are alive until the end like in "Train to busan" they all died. In this movie, At every part we think they will die but they are alive until the last.