"Hellbound" episode 4 featured events that happened four years after the damnation first broadcast, as well as Yoo Ah In's shocking death.
Moreover, the Netflix series also introduced new characters to shed light on the supernatural phenomenon that rocked humanity.
'Hellbound' Episode 4 Highlights: The New Truth's New Leader
"Hellbound" Episode 4 opens with The New Truth restructuring its approach after a new leader took over Jung Jin Soo's place.
The religious group is now led by Kim Jung Chil, who was behind Min Hye Jin's unfortunate fate.
The New Truth became a global sensation after getting more members and attention from the public.
Alongside the new leader is the cult priest Yoo Ji, who's responsible for sending out God's message.
To reach a wider audience, they sought help from NTBC producer Bae Young Jae and his co-producer Kang Jun Won.
After presenting the new video materials, Yoo Ji thinks that Young Jae's team should re-edit the video pointing out that the sinners should not gain the public's sympathy.
However, he bravely calls out The New Truth for spreading fear in South Korea.
READ MORE: 'Hellbound' Episode 3: Arrowhead Targets Kim Hyun Joo and Yang Ik Jun + Yoo Ah In Meets His Fate
The discussion got tense, causing Bae Young Jae and Jun Won's confrontation and furious about questioning the religious group and their ideology.
Little did he know that he was up to something.
Bae Young Jae and Song So Hyun's Newborn Received a Decree
At the hospital where his wife, Song So Hyun, is recovering from giving birth, the husband mentioned that he might spend more hours at work because of the editing.
The first time mom then told her husband that she would be sending a video of their baby instead.
After sneaking in her phone, she took a video of their baby but saw a prophet angel delivering a decree in front of the newborn, which stunned Song So Hyun.
She began to research information regarding newborns as sinners but to no avail.
Kang Jun Won's Judgement Day
While on his way to the hospital to meet his wife and newborn, Bae Young Jae received a call from Jun Won's wife asking if something was bothering him.
She mentioned that her husband has been acting strange these past few days, but Bae Young Jae assured the wife that everything was okay.
However, he remembered seeing a calling card from a loan shark on his desk and had the fishing port address at the back.
Out of curiosity, he drove to the area to check his colleague.
After encountering a group of Arrowheads, Bae Young Jae found his co-producer at the lake's dock.
Jun Won revealed that he received a decree and warned him that he needs to get out ASAP if he doesn't want to get involved with the Sodo Law Firm.
In just a few minutes, the duo heard a loud noise enveloping the whole lake.
The creature immediately appears and grabs Jun Won, drowning him in the waters.
A flash of light was seen in the middle of the lake, hinting that the ritual was done.
Although Jun Won asked Young Jae to keep his mouth shut, the Sodo Law firm, including Min Hye Jin, arrived at the area and drugged him to cover up the scenario.
Bae Young Jae Learns about his Child's Fate
The next day, he returned to the hospital and discovered the devastating news.
Song So Hyun showed the video to his husband and was stunned to see that his newborn had received a decree and would die in a few days.
