Whistle

Blackmailed by Cha Jung-woon, who possesses a video of him naked, Gu Seo-hae infiltrates the mansion of Cha Jung-hoo, Cha Jung-woon's older brother, as a bodyguard with the intent to kill him. However, for some reason, Cha Jung-hoo—whom he is meeting for the first time in his life—treats Gu Seo-hae as if he already knows him. Furthermore, contrary to the information he received, the man is eccentric and akin to a wild animal, making him impossible to hate. At the very moment Gu Seo-hae attempts to kill Cha Jung-hoo, he realizes the strange fact that Cha Jung-hoo is actually 'Whistle,' the dog that used to live in the yard of Cha Jung-woon's house. The soul of Whistle, the dog who died whi...