This sounded like the plot of an ancient novel. In this kind of novel, there would often be a happy ending at the beginning, but there would be some twists and turns in the middle that would put the protagonist in trouble. This kind of plot design could enhance the drama and tension of the novel and make the readers more involved. However, the plots of ancient novels were more complicated and might require more space to describe. If you want to know more about ancient novels, I can give you some recommendations.