Lobby: A CEO of a small tech company, Chang-wook, must win billions worth bid for National EV charger project against Gwang-woo, an ex-business partner who has thrived with lobbying after stealing Chang-wook's original technology. Discovering Gwang-woo's secret connection with the decision-maker Minister Cho, he plans his first-ever golf outing to win over the deal. Finally, the golf round day has come, but everything is not the way he planned. Scandal, betrayal and chase in this 18-hole round.