Jiang Wan and her mother Yin Huaixi get into a car accident and both transmigrate into a fictional ancient era, just as the Yin family is convicted and exiled to the remote Lizhou Island. Relying on their modern beach-foraging experience and medical skills, the mother-daughter duo reclaim wasteland and forage for food, heal the sick and help others in Lianjiagou fishing village, gradually improving their situation. They deal with the harassment and exclusion of their exiled colleagues, the Cai family, resolve neighborhood conflicts, support each other with her uncle's family, and embark on a new life of making a living by the sea and hard work to build up their family fortune on the desolate island.