Ji Yeonsoo works two jobs. She works as a part-timer at a cafe that her uncle owns and at night she is a Uber driver. A friend of hers, Kim Hyunsuk, who is a well-known rookie actor under SM Entertainment, happens to ask her for a favor. He needs her to drive his secret girlfriend to his place the next night and that he'll pay her. At first, she didn't want to do it but because she needed the money and that it was the first time Hyunsuk had asked for such a favor, she helped him out. But what surprised her is that... her friend's secret girlfriend happens to be ITZY's Ryujin. She kept Hyunsuk's relationship a secret but when other relationships of idols and actors were found out by the public thanks to Dispatch, she suddenly decides to help them out with their love life by being their secret driver.