The episode's final scene: Ardi cracks the rooftop door. Moonlight spills onto a circle of kneeling civilians, hands tied. A hooded figure raises a machete.
The file name follows a standard naming convention used in the digital video distribution and archiving community. Here is what the specific tags mean: Zona.Merah.S01E04.May.Day.1080p.VDO.WEB-DLSub.E...
The file name structure you provided (including tags like WEB-DL and the release group tag) is typically associated with unauthorized releases from piracy groups. The episode's final scene: Ardi cracks the rooftop door