In this week's episode of All the Butlers, Hyung Wook and the members visit Busan to meet Hyung Wook's old friend, Leo. Leo has been serving as a police dog for the past 8 years after being separated from Hyung Wook. Hyung Wook and the members get to see how Leo has been working so far, and celebrate Leo's retirement ceremony. (Source: Viu)