As Pink dates Q, a man whom she met on a dating app "Blind Date", never know that things around her are turning into a nightmare.

After having sex with Q, Pink finds reeking fluid discharging from her body. Pink finds out that she is infected with Q's strange disease. As Pink encounters strange incidents, she knows that this is not a human baby.

Pink wakes up in the hospital and realizes that the baby in her womb has grown a lot, although it has been only one day. Pink wants to have an abortion badly and she asks Por for help. At the same time, Por begins to believe that strange things are happening to Pink and she's not mentally ill. Por starts to investigate Q, who's involved in the beginning of the entire incident

Off's live stream has caused the death of a mother and her daughter. His reputation is ruined as well. He ask his friend, Boat, together they create a channel called "After Dark".

After an exploration in "Katkasu" everyone realizes that the real intention for "After Dark" is not about finding the truth. The revelation unveils when they meet Dao, who holds the key that leads everyone towards an unexpected conclusion of the story.