The life and times of a sentinel is a 2011 hong kong historical-fiction television drama produced by television broadcasts limited, with leung choi-yuen serving as the executive producer. set in the late 17th century, during the early years of the kangxi emperor's reign over qing china, the drama stars nip dor-po, a third-grade imperial bodyguard. he is used by both the kangxi emperor and prince yu to pit against each other, conflicting dor-po's loyalty for both.