Peasant Girl Doctor Concubine, Don't Be Too Sweet

Once traveling through time, Yang Xiayue transformed from a modern medical master into a poor peasant girl in ancient times. Her parents' life and death were uncertain, and she was designed to marry a sick man, turning into an ominous little widow in the blink of an eye. Everyone said she was suffering from bad luck, but she insisted on telling these people! She has continuous blessings and good fortune. He learned medical skills to treat illnesses and save people, and made a fortune with his two younger sisters. His parents returned home safely, and their life was prosperous. It's just that this luck is a bit too good. Why did the husband she killed also fake his body? And became a powerful regent?