How to Be a Millionaire (1989)

Wong is a junior clerk in a construction company. He lives under the care of his uncle and his cousin, Ping. But the woman who occupies Wong's attention is Jenny, the widowed wife of the son of his boss. One day, a Billionaire leaves Wong with the secret to become rich. Things seem to go smoothly with him. He is promoted twice, and now as the Assistant Manager. The boss even consents to his marriage with Jenny. The newly-wed couple goes on a honeymoon trip in Switzerland. He dashes into a tree and knocks himself into a coma in which he sees the Billionaire reveals him and complains to him the dreadful life in the world of the dead. When he returns to Hong Kong, Wong decides to break up with Jenny and seeks forgiveness in front of his ancestors. In the end he returns to Ping's side and lives a meaningful life hereafter.