After her mother's sudden death, Ruth returns to her hometown and reunites with her father, whose odd behavior makes her question what really happened.
Professor Se-jeong is thrust into a bloody nightmare when a rapidly mutating virus is released during a biotech conference causing authorities to seal the facility. Trapped inside with no escape, Se-jeong along with a small group of survivors must fight to stay alive while the infected undergo horrific transformations.
Grappling with his past after a life of crime and murder, Robin Hood finds himself gravely injured after a battle he thought would be his last. In the hands of a mysterious woman, he is offered a chance at salvation.
A cybersecurity expert becomes a whistleblower after uncovering secrets about aliens, putting him on the run from a corporation. Meanwhile, a meteorologist experiencing strange phenomena joins forces with him to prove there's life beyond our understanding.
High school student 'Ji-eun' was the victim of the crime, but distorted online posts and malicious comments made her into the perpetrator in the public eye, driving her to take her own life. Her sister 'So-eun' finds detective 'Jun-kyung' to uncover the truth behind her sister's unfair death, and he begins hunting down a suspect in cyberspace. As clues are revealed one by one, the case grows from a simple rumor into a complex web of truth involving anonymous accounts.