A Step into the Past (Chinese: 尋秦記; Jyutping: Cam4 Ceon4 Gei3; literally "Records of the Search for Qin") is a 2001 Hong Kong television series produced by TVB and based on Huang Yi's novel of the same Chinese title. The series tells the story of a 21st-century Hong Kong VIPPU officer who travels back in time to the Warring States period of ancient China. He is involved in a number of important historical events that leads to the first unification of China under the Qin dynasty.