Sara, formerly known as Que Sera Sera (), is a 2015 Hong Kong psychological thriller film directed by Herman Yau and starring Charlene Choi and Simon Yam. The film was released on March 5, 2015.
After being sexually abused as a child by her stepfather, Sara (Choi) runs away from home, earns her own keep and spends her nights in various locales, including country parks and fast-food joints that stay open 24 hours. While hanging around the Tsim Sha Tsui East promenade late one evening, she meets the gentlemanly, middle-aged Kam Ho-yin (Simon Yam Tat-wah). The two embark on a complex relationship that involves him getting her into a good school and a new life she chooses to take.
The film has grossed HK$6.27 million (US$808,000) over four days. In the second week, the film has grossed HK$4.14 million (US$533,000). In the fourth week, the film has grossed HK$3.32 million (US$429,000) with a total of HK$18.1 million (US$2.34 million).