Kung is a graceful, beautiful woman who has grown up in the slum, with a mysterious background about her birth. Due to employment obligations, Kung finds herself traveling to Kheha Nang Khoi which is located on a cliff.
She is employed as a caretaker for a mentally challenged woman who wears a mask all the time. Kung later discovers that the lady is not crazy and may be related to precious lost jewelry, "The Pink Diamond".
Tos is a grape plantation owner. He is very protective over his sick younger sister, Vithinee, who has fallen for Pong. Pong already has a girlfriend, Bow. Pong gets Vithinee pregnant when he is cheating on Bow.
Not wanting Bow to ruin his sister's happiness with Pong, Tos forces Bow into marriage. He does this using deception. When they first met, Bow was very drunk and is drugged by a guy and taken to a hotel to be raped. Tos saw what was happening and saved her. He takes her to his hotel. When she wakes up, she thinks Tos has raped her. Later on, he uses this incident to his advantage and forces her into marriage. Tos secretly starts to fall in love with Bow, but still teases her.
Pong, on the other hand, marries Vithinee, eventhough he is still madly in love with Bow. He tries very hard to get rid of Vithinee so that he can return to Bow.