Three students from Jing Mu Girls’ Middle School go missing and turn up dead. Xiao Tong, a special education student with speech impairment, feels like someone is watching her. During the rehearsal for the school’s foundation day event, a corpse falls from the ceiling of the auditorium, and Xiao Tong disappears in the midst of confusion. Her mother, Li Han, who has been working at the school to be close to Xiao Tong, begins her pursuit.
Ex intelligence agent Ki-heon is tasked with safely transporting Seo Bok, the first ever human clone, who holds the secret of eternal life. Several forces try to take control of Seo Bok to serve their own agendas.
Chinese secret agent Da-hee receives intel that a large number of illegal firearms are being smuggled into Korea and is sent to investigate the case. She meets Su-han, who is supposed to help her with the case, but due to his lackluster skills they fight over trivial things. But as their witnesses are suddenly murdered, the two of them quickly become the prime suspects.
Busan, South Korea, 1970s. Lee Doo-sam is a small-time smuggler. After helping a drug gang to smuggle meth, he falls into the dark crime world. Quick-witted and full of ambition, he eventually takes over the drug underworld and starts to lead a double life: a good community leader during the day but an infamous drug lord during the night.
Amid a coup, a North Korean agent escapes south with the country's injured leader in an attempt to keep him alive and prevent a Korean war.
In 2025, a scientist on the verge of making a major discovery related to time travel is suddenly put in peril when a rival kidnaps her young son and demands a hefty ransom: her entire research.
An undercover cop has his loyalties tested when the boss of the corporate gang he's spent years infiltrating dies.
A Korean man in China takes an assassination job in South Korea to make money and find his missing wife. But when the job is botched, he is forced to go on the run from the police and the gangsters who paid him.