Nameless Poison(2013)

Nameless Poison is a Japanese drama series following Saburo Sugimura, a PR executive working under his father-in-law Yoshichika Imada at a major corporation. When Yoshichika assigns Saburo to handle a sensitive matter involving a man named Nobuo Kajita, the assignment triggers a cascade of complications that unravels the carefully maintained facade of the company and its leadership. As Saburo navigates conflicting loyalties between his professional obligations and family ties, he discovers that the task conceals deeper secrets and moral ambiguities. The series explores themes of corporate corruption, family obligation, and personal integrity as Saburo finds himself entangled in circumstances far more dangerous than a routine work assignment. Tension mounts as hidden truths emerge and threaten to expose everyone involved.