Leslie and her friends are in for fight of their lives. Sings the Morning has a very disturbing dream which foretells the end of existence. The end of everything. Despite the odds, Leslie recruits Annabelle, Petals, Blossom, Sky, and Frank the dog to investigate. What they find is an opposing power beyond their wildest imagining. To conquer it, Leslie makes perhaps the hardest decision of her life. She decides to bring back her two worst enemies in an effort to bolster their chances, but will her gamble pay off? Meanwhile, an unexpected revelation awaits her to complicate her personal life. In the final battle, Leslie is presented with the ultimate bitter-sweet ending.