Two brothers get into a sudden tragic accident and they both fall into a coma at the same time. A year later, the younger brother Dae-jin wakes up believing he is his older brother Ho-jin.

Jisoo has a normal job during the day, but in the evening she goes to a bar in Itaewon to drink alone.

Psychiatrist Joon-sang is a well-known doctor. He is level-headed with his patients, but he's got a painful past. He'd witnessed his wife kill herself because she was raped. He'd suffered insomnia along with guilt and sadness until a beautiful girl Ji-soo comes along. She tells him every man who's loved her died and that someone was watching her. She seduces Joon-sang. A detective suspects Ji-soo to be involved with a recent murder case and asks Joon-sang for her medical records... Falling in love with something dangerous and the end of which is unknown!

"Addiction Karaoke" is run by Sung-wook. When business is slow, he hires singing helper Ha-suck, a girl in her early 20s. She's a hopeless game addict, but somehow lures customers in. Na-ju joins the crew and brightens up the miserable place with her bubbly character. Just when everything starts turning for the better, little do they know that a serial killer on the loose in town is after something in the karaoke.

"Did you husband find out? Are you alright?" "I don't care. I just want to do this all day". Ga-hee appeared in front of Seong-min who was bored running a book store after retiring. Ga-hee runs a ballet school and wasn't on very good terms with her husband, which led to her and Seong-min falling madly in love together. They know they shouldn't be together, but that's what makes everything even better. Later on, their love reaches the point of destruction...

A newlywed couple moved to a new house with big dreams. However, it was Hong-yeon, the landlord of Saek-gwang who was waiting for them. A strange atmosphere flows between Hong-yeon, who secretly seduces Jeong-woo, Jeong-woo, who is struggling not to fall for it, Yoon-gi, a slave man wearing a husband's mask, and Yoon-mi, who knows nothing. Will Jeong-woo be able to protect his family amid the endless temptation of the landlord?

Ji-min wants to explore new risky venues of pleasure with her boyfriend. Voyeurism becomes a new fantasy that may turn into reality.

Manager Park, who sweats when nervous about his zero fashion sense, out of place glasses, and timid personality, secretly has a crush on the new employee Chae. However, Chae is the object of envy of all male employees. She is not approachable and overpowering. Manager Park collects his salary steadily and buys a dating app called Super AI, and started using it. He can receive VIP customer service by entering the picture of Chae and his desired body type. The woman who introduced herself as Ming-ki in the phone communicates perfectly with Manager Park on a completely different level from the other AIs. He enjoys dating with the AI all night long, and when he comes to work and meets her in person, he is confused.

Six years after marrying her older husband, Aki, who had no relationship with her husband, was becoming more and more lonely. She says that one day, her husband's boss brings her to Sagawa, and she is in the same situation as Aki. While her husband was drunk and asleep, Sagawa unintentionally hugged Aki, and Aki, who was hugged by a man for a long time, hesitated, but her body reacted, avoiding her husband's eyes, and the two repeated secret sex

Psychiatrist Joon Sang is a well-known doctor. He is level-headed with his patients, but he's got a painful past. He'd witnessed his wife kill herself because she was raped. He'd suffered insomnia along with guilt and sadness until a beautiful girl Ji Soo comes along. She tells him every man who's loved her died and that someone was watching her. She seduces Joon Sang. A detective suspects Ji Soo to be involved with a recent murder case and asks Joon Sang for her medical records.

Wrong way of love stalker. A man is deceived by the wrong way of love, which keeps clinging to him even if he doesn't like it and eventually leads to a crime rather than love. Jin-ah, who is stalking the man Dong-hyeon, thinks she has the man, but the truth is revealed in the end, and everyone loses. Young-min, who watches the two, also breaks down as he watches the other people get ruined for his own greed. In the end, because of his desires, he despairs of a relationship that will never come true...

Dennis can’t manage to separate himself from his possessive girlfriend. Nele chases away even the most perfect guys with her fairy tale fantasies. Mo freezes up when he is about to make an emotional connection. Katrin refrains from love, but makes up for it with throwaway sex.

Five individuals struggling to get over their past breakups come together to form an unusual support group.

A chronicle of the life of a middle-class French girl's sexual adventures, her then fall into prostitution, and her ultimate redemption.

Witness the stories of history's most notorious kingpins, their terrifying enforcers, and the men and women who've sworn to bring them down.

To detail how drugs push people into risky — even deadly — behaviors, a former CIA analyst investigates the economics of six illicit substances.

Filmed from the perspectives of dealers, users and the police, this vivid series offers a bracing look at the war on drugs.