Detective K: Secret of Virtuous Widow

In the 16th Century, the streets of Joseon are stalked by a serial killer. The King believes the killings are to cover up a conspiracy so he commissions the notorious Detective K. What follows is an Inspector Clouseau investigation with his trusty assistant Seo Pil, as they bumble through being attacked by assassins, escaping death traps and dealing with the beautiful and possible deadly business woman. Is she behind the killings? But how could she, she's so beautiful...