Seo Woo-Yeon faces intense pressure on her first day at Tewon Electronics when Han Do-Jun, the strict Marketing Director, demands absolute obedience, even ordering employees to remove their shoes to maintain control. He suggests Woo-Yeon transfer to his team or leave with him to avoid difficulties. Later, Woo-Yeon catches Han Do-Jun training her intern, which he insists on doing himself despite her protests. He criticizes Woo-Yeon's slow pace and insists she finish her tasks, even if it means staying late, asserting his authority. Woo-Yeon is left wrestling with the harsh demands of her new workplace and Han Do-Jun's controlling attitude.