The identity of Kim So-yeon, who made a special appearance, was predicted through a trailer. At the end of the 15th episode of the SBS Friday-Saturday drama "Taxi Driver" (playwright Oh Sang-ho, director heresy), which aired on April 14, a trailer for the final episode was drawn. On this day, Doggystyle (Lee Je-hoon) succeeded in raising the astronomical amount of illegal funds of the History of Jin to the surface by using the trap placed in The Rainbow Luck by the History of Jin society. So a diocesan general (Park Ho-san) to deal with The Rainbow Luck confronted Kim Doggystyle and threatened, "You will die today." a diocesan general tried to deal not only with Kim Doggystyle but also with Jang Sung-chul (Kim Eui-sung), An Go-eun (Pyo Ye-jin), Choi Joo-im (Jang Hyuk-jin) and Park Joo-im! However, a Taxi entered the scene. Someone wearing high-heeled boots from the vehicle that appeared through the wall of the warehouse. Jang Sung-chul later introduced the person as "Greetings, our Taxi Driver No. 1 article."