Pareena's life had always been beautifully perfect until the demise of her father, who was like her life's sunshine. After her father's death, Pareena discovered a mystery surrounding his untimely demise and thus began a journey of discovering the mystery and restoring her father's honour. The more she digs, the more she learns how different human personalities can be in front of different people. This is not just for her later father, but also for Korn who behaves like a rebel with a free spirit, and Karn who has always been her perfect brother. The more she digs the more she realises that where there is sunshine there are also shadows. Humans can do wrong. Nobody is truly perfect.
Duangjan is a cold-blooded, young assassin for a mafia group. One day, due to a failed mission between Duangjan and Lok — an assassin within the same group — Duangjan ends up falling off of a cliff. However, she is saved by the head of the national park, Atiruj. When she wakes up, Atiruj realises that the young woman who he saved has developed amnesia. The once cold and calculated killer suddenly turns into a cheerful little girl and finds herself not only with a new name "Chao Chao", but also a fake husband, Atiruj — who just so happens to be escaping his mother who was determined to marry someone else.