Tong and his friends, consisting of Pong, Pang, Koh, Aod, Keng, and Noo Pook used to play hide and seek in an abandoned building when they were kids. Thirteen years later, that same building has been transformed into a university, unaware of its tragic past. As eerie events unfold, they encounter a ghostly girl resembling Nu Aon, who met a grim fate years ago. Pong, in the bathroom, sees a girl's reflection, and Aod encounters a girl on a bridge before disappearing. Each friend faces terrifying ...