Lin Zhao, a female college student, set up a stall at a night market in the Republic of China to sell homemade lipstick, but her formula was stolen by a wealthy businessman and she was ruined. When she sneaked into investor Zhou's house to work as a secretary, borrowed ledgers to hide patent clues, and used financial games to reverse the situation - she was not seeking revenge, but changing the entire consumer trend in Shanghai from 'foreign lipstick' to 'Lin's red', making every woman who buys lipstick a co-conspirator in her business empire.
