Unlock (2016)

Chan Sum Yau (Eunice Chan) is deeply hurt by her fiancé who does not show up in their wedding ceremony. She loses control of herself and falls down outside a MMA center after she gets drunk. The owner of the MMA center, Cheung Man (Colleen Lau) introduces MMA to Chan and trains her how to fight. Cheung is not just a personal trainer of Chan but also a good friend. Chan becomes stronger and decides to participate in a MMA Championship with the encouragement of Cheung. Chan plays hard to prove she can live better ever after.