KBS 2TV's upcoming Mon-Tue drama 'Shark' has released its teaser clip, attracting attention from fans.

On May 6, KBS 2TV released a teaser clip for upcoming Mon-Tue drama 'Shark' to be aired on May 27.

The 40 second long clip shows actor Kim Nam-Gil standing alone in the dark and a pool of sharks and it starts with the actor's narration.

In the teaser, he narrates, "Sharks don't have swim bladders. To survive, they have to keep moving. Otherwise, they will die." Kim Nam-Gil walks silently on top of the dark waters holding a white wedding veil while a shark swims below. Then he drop the veil and the flashbacks of happy moments between Kim Nam-Gil and Son Ye-Jin are seen, followed by the latter's crying scene. Then Kim Nam-Gil narrates, "Go. Don't look back. The time has come."

"Shark" is the story of a man who threatens his lover to avenge his family and a woman who wavers over her deadly love relationship. This is the final installment of the revenge drama trilogy which includes 'Resurrection' (2005) and 'Devil' (2007) from Park Chan-Hong PD and writer Kim Ji-Woo.

Starring Kim Nam-Gil, Son Ye-Jin, Ha Seok-Jin, and Lee Honey, 'Shark' is scheduled to premiere on May 27 after 'God of the Workplace'.