Drama Mystery Sci-Fi & Fantasy
S01E04 • 8.1/10 • 66m • 13 Nov 2021 • KR •

Happiness (2021) S01E04 – The Spread

The apartment complex gets walled up and quarantined due to Min Ji's mad person disease triggered by the Next drug. Whether they like it or not, the people living in the apartments have to stay within the walls together for a week. Sae Bom and Yi Hyun isolate the suspect Ju Hyung and provide shelter for outsiders. Meanwhile, during the joint investigation, Yi Hyun and Tae Seok discover the dealer of Next lives in Building 101.

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Cast

Han Hyo-joo
Han Hyo-joo
Yoon Sae-bom
Park Hyung-sik
Park Hyung-sik
Jung Yi-hyun
Joo Jong-hyuk
Joo Jong-hyuk
Kim Seung Beom
Lee Ju-seung
Lee Ju-seung
Andrew
Jo Woo-jin
Jo Woo-jin
Han Tae-seok
Lee Jun-hyeok
Lee Jun-hyeok
Kim Jeong-guk
Park Joo-hee
Park Joo-hee
Lee Ji-soo
Bek Hyun-jin
Bek Hyun-jin
Oh Joo-hyung
Baek Joo-hee
Baek Joo-hee
Park Min-ji
Moon Ye-won
Moon Ye-won
Woo Sang-hee
Park Hyoung-soo
Park Hyoung-soo
Kook Hae-seong
Jung Woon-sun
Jung Woon-sun
Shin So-yoon
Bae Hae-seon
Bae Hae-seon
Oh Yeon-ok
Cha Soon-bae
Cha Soon-bae
Sun Woo-chang
Han Jun-woo
Han Jun-woo
Kim Se-hyun
Park Hee-von
Park Hee-von
Na Hyun-kyung
Na Chul
Na Chul
Na Soo-min
Kang Han-saem
Kang Han-saem
Kim Dong-hyun
Kim Young-woong
Kim Young-woong
Go Se-gyu
Lee Ji-ha
Lee Ji-ha
Jo Ji-hee

Episodes

Happiness (2021) S01E01 – Public Rental Apartment S01E01 61m
5 Nov 21
Happiness (2021) S01E01 – Public Rental Apartment
Her friend from high school, Detective Jung Yi Hyun calls Sae Bom to let her know that a SOU recruit, Lee Jong Tae is involved in a murder case that just occurred. It seems Lee Jong Tae gave some sort of drug to his friend who bit off the victim’s neck and killed him. Sae Bom, who needs to work hard and earn points to qualify for the public rental apartment, goes out to get Lee Jong Tae despite Yi Hyun’s warning.
Happiness (2021) S01E02 – Thirsty Patients S01E02 66m
6 Nov 21
Happiness (2021) S01E02 – Thirsty Patients
Sae Bom finally gets to be a homeowner. At the end of all her hard work, she thought happiness was just around the corner. However, she ends up learning she might have caught a new contagion, one that causes the infected to bite people after losing their minds. Even though Sae Bom and Seung Young are under an oath of secrecy, reporters approach them with a hefty sum of money. Meanwhile, Yi Hyun and Tae Seok from the Central Disaster Countermeasures Headquarters (CDCH) join forces to find out the true nature of the disease.
Happiness (2021) S01E03 – Locked In S01E03 62m
12 Nov 21
Happiness (2021) S01E03 – Locked In
Sae Bom thinks Tae Seok is hiding something and feels uneasy about it. The new apartment is peaceful compared to the unrealistic dormitory. Sae Bom and Yi Hyun return to their everyday lives. Although it doesn't seem right, they try their best to adapt. However, late in the night, they hear a constant banging from the unit above them.
Happiness (2021) S01E04 – The Spread S01E04 66m
13 Nov 21
Happiness (2021) S01E04 – The Spread
The apartment complex gets walled up and quarantined due to Min Ji's mad person disease triggered by the Next drug. Whether they like it or not, the people living in the apartments have to stay within the walls together for a week. Sae Bom and Yi Hyun isolate the suspect Ju Hyung and provide shelter for outsiders. Meanwhile, during the joint investigation, Yi Hyun and Tae Seok discover the dealer of Next lives in Building 101.
Happiness (2021) S01E05 – The Outsiders S01E05 63m
19 Nov 21
Happiness (2021) S01E05 – The Outsiders
All the apartments within the complex get infected, except Building 101. The phone lines and Internet get disconnected, and they are all on their own. Sae Bom and Yi Hyun struggle with the constant conflict between the renters and owners inside the building, including the people outside. Meanwhile, their food depletes, and they are left with only one option, to go outside.
Happiness (2021) S01E06 – One Man’s Life S01E06 63m
20 Nov 21
Happiness (2021) S01E06 – One Man’s Life
After they return from their mission of obtaining food, the people inside won't believe anything they say about what they saw. Everyone starts to doubt each other, and distrust builds up among them as they hide their true feelings. Meanwhile, the personal trainer locked up in the fitness center turns into a monster, putting fear in the people of the building.
Happiness (2021) S01E07 – The Intruder S01E07 69m
26 Nov 21
Happiness (2021) S01E07 – The Intruder
An infected person enters Building 101, and once again, Building 101 is under the threat of infection. Lieutenant Colonel Han enters the apartment complex with news to tell, but Sae Bom and Yi Hyun find him suspicious. A person goes missing due to the intrusion, and those with similar interests and minds stay close together.
Happiness (2021) S01E08 – Countdown S01E08 69m
27 Nov 21
Happiness (2021) S01E08 – Countdown
The apartment complex is now without electricity. Sae Bom and Yi Hyun find traces of an infected person inside Building 101. Who could be infected? The residents suspect others of being infected and wait for the lockdown to end. Meanwhile, Tae Seok makes a decision knowing that the antibodies may be inside Sae Bom.
Happiness (2021) S01E09 – Dwindling Water S01E09 68m
3 Dec 21
Happiness (2021) S01E09 – Dwindling Water
The residents in Building 101 suspect Sae Bom and Yi Hyun are infected and quarantine them in their unit. With them quarantined, the residents discuss what to do about them. Making matters worse is the dwindling food and water supply. If they can't get it from outside, the only choice is to take it from someone else. Meanwhile, Sae Bom and Yi Hyun figure out how to find out who is infected.
Happiness (2021) S01E10 – Kim Se Hoon Disappears S01E10 62m
4 Dec 21
Happiness (2021) S01E10 – Kim Se Hoon Disappears
Kim Se Hoon, the guy on the 15th floor, goes missing. Sae Bom and Yi Hyun try to figure out why he disappeared and what he was trying to hide. The residents in the building flock to his unit and squabble over the supplies he had stashed. Meanwhile, Yi Hyun contends with his thirst and keeps Sae Bom from knowing about his infection.
Happiness (2021) S01E11 – Backup Power S01E11 63m
10 Dec 21
Happiness (2021) S01E11 – Backup Power
Sae Bom and Yi Hyun fall into a crisis due to the resident representative, Oh Ju Hyung, and other residents conspiring with Andrew. Tae Seok learns that Sae Bom is in danger and tries to get her out. And Yi Hyun, who still hasn't told Sae Bom about being infected, tries to protect her any way he can. However, they end up face to face with a mob of the infected.
Happiness (2021) S01E12 – Happiness Is With You S01E12 73m
11 Dec 21
Happiness (2021) S01E12 – Happiness Is With You
Sae Bom learns that happiness is not your house but the person you are beside. And that person to her is Yi Hyun. She determines to make it back to the apartment, her house, and to where Yi Hyun would be. Dying or getting infected doesn't scare her as she tells him to wait for her.

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