Part 1: Do Ki starts to get back at Seung Tae and his friends. No matter how hard Seung Tae tries to sabotage Do Ki, the Rainbow Deluxe Taxi crew manages to handle the situation with their fancy equipment. Furthermore, the three of them accidentally purchase drugs, and Do Ki stresses them out by threatening them.
Part 2: As Do Ki continues to threaten Seung Tae and his friends and even demands a large amount of money, Seung Tae decides to call someone for help. Meanwhile, Do Ki and Ha Na meet again at the meeting of Blue Bird members. On their way home, Do Ki suddenly passes out from an emotional shock as he remembered something from the past.