Reversal of Fortune 2003 on netflix

His life in shambles after youthful dreams of becoming a golf champion yield disappointing results, bored stock exchange worker Seungwan receives a second chance at success after a freak accident puts his life back on track. Severely beaten after inexplicably angering local mob boss Ma Gangseong, Seungwan passes out after meeting a man who appears to be his clone. Upon regaining consciousness, Seungwan learns that the life he knew is no more; he is no longer a miserable failure, but a famous golf champion. Though his marriage had been heading down a rocky road for some time, his new found success and passion finds him and his wife Jiyeong falling back in love. Though everything suddenly seems to be falling into place for Seungwan, an upcoming golf championship threatens to unravel his ideal world unless he is able to pull it all together for one shot at a life of happiness.