Natalie Nash, the rebellious heiress of the Nash family, disguises herself in a men’s suit to work as the secretary for the ruthless Ethan Mullin, all to avoid a stifling arranged marriage. Her plan seems flawless until she realizes her boss is the very man she shared an unforgettable one-night stand with months ago. Trapped in a web of hidden identities and professional tension, Natalie must navigate a dangerous game of cat and mouse as Ethan becomes increasingly obsessed with finding the 'mysterious woman' from that night. In the high-pressure world of Thorne Group, will her mask slip, or will her boss discover his secretary is actually his wife?