Park Si-yeon

A swimming instructor Cheon-soo loses everything on gambling. It also leaves him with huge debt to pay off for the rest of his life. His moneylender, Kang approaches him with a dangerous proposition. He invites Cheon-soo to become a 'marine boy' - those who swim across the ocean to smuggle drugs. Cheon-soo decides to take the chance and puts his life at stake for the last time. Together Kang and Cheon-soo come up with a matriculate plan. (www.avistaz.com)

A Korean super-spy hunts a stolen national treasure, the Golden Buddha. (imdb)

A detective, who moonlights as a private investigator, has a beautiful new client. The woman asks the detective to take photos of her husband in the midst of having an affair with another woman. When the detective goes to take pictures he discovers that the woman's husband is already dead. He must now set out for the real killer. (imdb)

When Gong Chan meets the lively and beautiful Yoo Rin, he finds out that she has connections to his missing cousin, whom his grandfather has been searching for. He asks Yoo Rin to lie about being his long missing cousin until he can find his real cousin. She says yes, but soon their feelings for each other get in the way of their plans. Gong Chan's friend, Jung Woo falls for Yoo Rin while Gong Chan's ex-girlfriend, Seo Hyun, a pro tennis player, tries to win him back. (mydramalist.com)

Kang Ma-Ru is a promising medical student, until he takes the blame for a crime he didn't commit. When he finds an opportunity for revenge, he takes it, using Seo Eun-Gi. Ma-Ru soon discovers that are things more important than revenge, though. (imdb)