Once Upon a Time…In My Heart - Karn La Krang Neung…Nai Hua Jai (กาลครั้งหนึ่ง…ในหัวใจ) (2016)

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Fahsai is heartbroken after her ex-boyfriend got another woman pregnant. Yet he still has the nerve to ask her to take him back so to avoid him, Fahsai's parents took her on a trip to Japan. While she was there, Fahsai was held at gunpoint by a Hong Kong mafia named Daniel Wong. The man was shot and needed a place to stay that night so he ordered Fahsai to take him to her hotel room. And that's how their story began.