Follows Rim Chul Ryung heading back to South Korea in pursuit of a brutal and secret criminal organization. He teams up again with Kang Jin Tae, who volunteers to work with the North Korean in order to get back on the investigation team after a mistake landed him in the cyber crime department.
Kim Hyun is a best-selling author who has been experiencing a writer's block for seven years. He keeps an amicable relationship with his ex-wife Mi-ae, who is now dating his best friend and publisher, as they take care of their oversensitive teenage son. To get back on his feet with his career, he decides to work on a new novel with an aspiring writer, his student, Yoo-jin, only to get his life more complicated when Yoo-jin comes out as gay and confesses his love for him.
A working class family move into a new condo purchased after 11 years of hard work. They throw a housewarming party to show his co-workers when overnight a heavy downpour creates an extremely deep sinkhole that engulfs the entire building.
Stéphane lives a quiet life as an eminent French Chef but when he decides to visit Soo, a mysterious Korean lady he fell in love with on Instagram, he'll embark on an adventurous journey full of discoveries.
Dong-hyun is a high school student. One day, he falls from the rooftop and bumps into Pan-soo who is a passerby. Pan-soo is a member of a criminal organization. When the two men wake up in the hospital, they discover that they have switched bodies.
Betrayed and on the run, a former North Korean agent tries to seek revenge on the man who killed his wife, find his missing daughter, and uncover the secrets hidden inside the eyeglasses of a dead man.