Don't Go Breaking My Heart is a 2011 Hong Kong romantic comedy film directed by Johnnie To and Wai Ka-Fai, making this the twelfth film they have collaborated on together. The film stars Louis Koo, Daniel Wu and Gao Yuanyuan. The film opened the 35th Hong Kong International Film Festival on 20 March 2011. It was then released theatrically in Hong Kong on 31 March 2011.
Chi Yan (Gao Yuanyuan) is an analyst who just broke up with her boyfriend (Terence Yin) as he was having a baby with another woman (Selena Li). Sean (Louis Koo) a CEO of a broker firm knew Chi Yan as her office is just opposite of his. He liked Chi Yan all the while, but knew that she was in a relationship and did not want to interfere, and started to take action as he saw what happened in the bus between Chi Yan, her ex, and his current wife. However, Kevin (Daniel Wu), an engineer, who dressed shabbily, and an alcoholic helped Chi Yan out when she was heartbroken by her ex. With Chi Yan's support and, Kevin decided to pick up designing again, and dated her to meet up again a week later. Chi Yan totally forgot about it as she was starting out with Sean, but it did not work out as Sean had a one night stand with
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