Unbeatable is a 2013 Hong KongChinese sports drama film directed by Dante Lam. The film had its premiere at the Shanghai International Film Festival on June 18, 2013.
In Macau, Fai accepts a job offer from an old friend to work as an assistant in a gym, while renting a room with a feisty young girl Peidan Crystal Lee, who has been taking care of her psychologically unstable mother Mei Ting since her fouryearold son drowned and her husband left her for another woman. At the gym, Fai meets a young man, Lin Siqi Eddie Peng who wishes to learn Mixed Martial Arts in order to join an upcoming MMA tournament, the Golden Rumble, which offers the winner millions of dollars his motivation for doing so is to help out his father, a businessman who had recently lost a fortune due to a failed flipping deal, which has turned him into a depressed drunkard. Fai agrees.For the next several months before the tournament, Fai has Lin follow a strict training regimen, and at the same time he develops a bond with Peidan and her mother. After the tournament begins, Lin struggles but is able to beat several opponents, making it into the semifinals, impressing both Fai and Lins father, but also gets the attention of the Triads. Later, while celebrating the MidAutumn Festival, loan sharks unexpectedly show up to attack Fai and Peidans family. Fai fends them off, but Peidan is hurt in the process. As she is hospitalized, social services are also alerted to the fact that her mother is psychologically unfit to take care of a child. When she is told that Peidans father is returning to take custody of Peidan, she violently assaults a social worker, immediately causing her to be placed into a mental hospital. At the same time, Lin faces his toughest opponent yet, and loses badly after his arm and neck are broken. ........
Source: Wikipedia