Shen Fei is a brilliant chemistry doctor from the future year 2280 who time‑travels into the body of Sun Mengxia, a 14‑year‑old girl giving birth in a ruined temple during the Dayu Dynasty. She is resourceful and resilient, using her scientific knowledge and a portable laboratory space to survive. She gives her newborn a physique‑enhancing potion and fiercely protects her child. She shows intelligence and courage when dealing with hostile family members and an assassin attack.
