You Asked Me to Be a Prison Guard, So Why Did I Lock Up the Emperor?

Even a lowly jailer can achieve great things.

Chen Jinnian is a successful, self-made older man who transmigrates to ancient times and becomes a lowly jailer in a small border town of the Great Li Dynasty. To protect himself, he cracks strange cases and earns great merits. Though he serves in prison, his achievements will be remembered for generations.

Watch as this humble jailer turns the world upside down and creates a legendary comeback.