The Ghost 2 movie plot trailer spoilers. How is the plot of The Ghost 2 good?

The plot synopsis of The Wraith 2········

The film tells the story of Bai Ling (played by Li Haina) and her lover Wei Jun (played by Li Chuan) on their way to the Genting Highlands Casino in Malaysia. During the vacation, he accidentally checked into the "Caiyun Pavilion", one of the top ten haunted hotels in Asia, and encountered a series of bizarre and terrifying events. This film is based on the supernatural incident of "a female ghost biting a human head in Genting Highlands, Malaysia" that has been circulating on the Internet for a long time. There are also different rumors about the female ghost's life experience. Will the two of them eliminate the female ghost's resentment and escape, or will they be swallowed by the female ghost?