When Celeste Peters joins Hogwarts, she unexpectedly becomes the Fifth Marauder alongside James Potter, Sirius Black, Remus Lupin, and Peter Pettigrew. As they navigate the enchanted corridors and whimsical classes, Celeste discovers her sanctuary in music. Armed with a guitar and inspired, she weaves her own tunes, harmonizing her past with the present. Celeste, the Fifth Marauder, becomes the guardian of their shared escapades, infusing her heartfelt melodies into their adventures. Amidst the enchantment of friendship and the crescendo of magical exploits, this tale unfolds the echoes of Celeste's melodies, as she solidifies her place among the legendary Marauders, leaving an indelible mark on Hogwarts' history.