Lucas Wilson, a modern office worker, travels through time and becomes a son-in-law of the Hayes family. The original Lucas was a gambler who abused Emily Hayes and worked with Chloe Parker to take the family fortune. After coming to this new life, he changes his ways. With his math PhD and medical skills, he protects Emily Hayes, breaks the plans of the Parker and Quinn groups, solves family and business problems, restores the Hayes Group with a century-old remedy, and finally gains both success in his career and love.