At the beginning of the 20th century, the stage of Wufu Wharf in Wuhankou, Wuhan River Beach, was on a steam cruise ship prototype built by Wuhan Minsheng Company "Jianghua Line". It is also an old ship that has restored the original flavor of the 1920s and 1930s, both in appearance and interior. According to the same name "Zhiyin Number", the name meaning comes from the history of Big Wuhan "Zhiyin City" and the feelings of Wuhan people in the world of Haina. The story is drawn from the Great Wuhan in the 1920s and 1930s. These characters and stories reproduce the old Hankou city's social situation and characters'various emotions, such as family, friendship and love, which are deduced and developed on this mobile cruise ship. And we with tickets are boat passengers, tourists, spectators, and possibly actors.