The plot of longing for the lake needs to be triggered when we go out to the Hong Kong Pavilion in Shuimai City. As soon as we leave the entrance of the exhibition hall, we will meet our old enemies, take us to the library, where we will see Professor Rowan and Xiaoguang, and then tell us to go to three places to solve the problem, and we will be assigned to aspire Lake.
In "Diamond/Pearl", when the protagonist first arrives at Litchi Lake, a Galaxy team member will play against the protagonist; In platinum, players need to get the swamp badge of Wehabara City to see Cynthia.
Then, players can meet Cynthia again near the entrance of Litchi Lake. She is worried that a group of ducks on the 2 10 road will give the protagonist a secret recipe to cure their headache, and she will also tell the protagonist a legendary and lovely story about the lake.