Luigi has to save his brother, again! Along with a certain green elf and Professor E. Gadd...and several Toads. But at least he doesn't have to hunt ghosts alone this time.

On his adventure with the king of red lions, The Hero of Winds comes across a strange Island with a mysterious Mansion on it. Upon entering this mansion, strange events occur. Ghosts Link even finds another green clad hero, with the shape of an L on his forehead.

Link buys a haunted mansion than belonged to luigi.