Thee Chonlathorn, a confident and accomplished CEO, is thrown off balance when his loyal secretary of nine years, Preem Primala, unexpectedly resigns. As he seeks answers, their journey uncovers hidden emotions and truths that could change their lives forever.(Source: TMDb)~~ Adapted from the webtoon "Kimbiseoga Wae Geureolgga" (김 비서가 왜 그럴까) by Jung Kyung Yoon (정경윤).