She's already gone but her soul is still around. Waiting to hunt the killer down.
Pe,Ton and Pae were haunted by a spirit. They tried to find out the reason why this happenning to them and not knowing that actually, the spirit is their friend-Da, who passed away not long ago. Da tried to communicate with the three of her friends. with one simple reason - she wants to know who killed her? Will the three friends help Da to find the killer? Or is the killer actually among the three of them?