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 travelling 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".