A woman suddenly disappears. Her fiance then sets out to find her and, in the process, uncovers layers of dark hidden secrets.

A South Korean agent hunts a drug ring in Russia and goes head-to-head with a North Korean operative — pulling both into peril and tangled secrets.

In Jeju, a spirited girl and a steadfast boy's island story blossoms into a lifelong tale of setbacks and triumphs — proving love endures across time.

Seo Munju, a skilled former diplomat, tries to uncover the truth behind an attempt on a presidential candidate's life. After discovering the candidate was accused of being a North Korean spy, Munju digs into his past, unlocking a Pandora's box of deception, state secrets and more. Protected by Paik Sanho, a mercenary with a suspicious history and a hidden backer, Munju repeatedly finds herself under attack as she uncovers an international conspiracy stretching all the way to the White House. But, with danger drawing ever closer, will Sanho be able to keep his principal safe and his emotions in check?

In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend — then she gets swept up in a love story of her own.

Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.

Sang-hyun is always struggling from debt, and Dong-soo works at a baby box facility. On a rainy night, they steal the baby Woo-sung, who was left in the baby box, to sell him at a good price. Meanwhile, detectives were watching, and they quietly track them down to capture the crucial evidence.

Of the high-rolling top 'hot celebrities' of the wealthy upper class in Korea's high society, Kang Hye Na is the one desired by the men, feared and hated by the women. Being the only successor to the largest conglomerate company, Kang San Group, Kang Hye Na has both the looks and the background. She is the owner of the 'Lady Castle' and lives a 'princess-like' life with her servants.

An aspiring director hits rock bottom after 20 years chasing his debut — until he meets an overwhelmed producer who helps him rediscover his self-worth.