The Perfect Man's Secret summary: Taeho is the CEO of the health food company "Sowon" and also serves as the face of his own brand's energy supplements. With his striking looks and star power, he enjoys overwhelming support from both men and women. However, to Suyeon, a member of Sowon's product planning team, he is nothing more than an arrogant and narcissistic boss. But one day, by sheer coincidence, she stumbles upon his secret...!? And it turns out to be a top-tier, company-shaking secret! A chaotic romantic comedy unfolds, sparked by a secret and a narcissistic man!