Jae-Hyeok (Kim Nam-Gil) lives with his mother (Kim Young-Ae), his sister-in-law (Moon Jeong-Hee) and nephew Min-Jae (Bae Gang-Yoo) in a small Korean town. He is dating Yeon-Joo (Kim Joo-Hyun), while working at the local nuclear power plant. Meanwhile, Pyung-Sub (Jung Jin-Young) works at the same nuclear power plant. He is worried about conditions there, but nobody in the government listens to him. An earthquake strikes the small town where Jae-Hyeok lives and causes explosions at the nuclear power plant. The situation quickly spirals out of control, leading the entire nation to panic. To prevent another nuclear disaster, Jae-Hyeok and his co-workers return to the nuclear power plant.

Two Korean girls, Jung-Min (14) and Young-hee (15) are kidnapped by the Japanese Imperial Army and taken to a 'Comfort Station' in China. There, they join other kidnapped girls in serving Japanese soldiers as sexual slaves known as 'Comfort Woman'. By the end of the war, only one of the girls survives. Decades later, an elderly lady attempts to reunite with the spirit of her lost friend. Inspired by the testimony of Kang Il-chul. Written by Darwin, RacnKel(amendment)

Park Goo (Lee Kwang-Soo) mutates into a man-fish due to side effects from an experimental drug. He receives heavy publicity and becomes a star. A conspiracy by the pharmaceutical company leads Park Goo to being possibly expelled from the world. Written by shackledmuse

Three teenage boys Yong-ju, Gi-Woong and Gi-Taek, were once best friends in middle school, but they become estranged from each other once they enter high school. While Yong-ju and Gi-Taek still remain close, Gi-Woong becomes a jjang (Korean slang term meaning "best"), one of the strongest fighters in the school, and begins to hang out with Seong-jin's gang (Seong-jin's parents are powerful figures, making him a bigwig among his schoolmates). Yong-ju becomes concerned when he finds out that Seong-jin's gang is mercilessly bullying Gi-Taek, an eccentric manhwa fan. Under intense pressure to get into a prestigious university because of his financially struggling single mother, Yong-ju develops an unlikely relationship with Gi-Woong, who tries to break away from Seong-jin. But when Gi-Taek learns that Yong-ju is gay, he betrays his friend and joins Seong-jin's gang in ostracizing him, telling them that Yong-ju has loved Gi-Woong for years. Written by jaideejung007