Heita Tomishima (Teppei Koike) has been working at a construction company for 3 years. He has worked at construction sites but was recently transferred to the sales team. Heita Tomishima then becomes involved in the illegal activity of bid rigging for the company. Heita Tomishima also finds out that his father's death was connected to bid rigging and now he contemplates whether to become a whistle blower or protect the company he works for.