After the accidental discovery of "Echo" - an eternal liquid substance with the power of time travel; Grandpa Mac, a successful musician, spends his later years dedicated to stopping his brother, Mr. M and a legion of Androids known as the Moguls, from stealing the world's musical masterpieces.
While nefariously manipulating the "Echo", Mr. M suffered a near-fatal accident, resulting in the loss of his right arm and ending his career as a professional musician. Now fueled by jealousy and pain, Mr. M dominates the music industry with his corporation, Future Records - where he secretly cultivates an army of Moguls and uses the Echo to travel through time, destroying the careers of the world’s musical icons and stealing the greatest musical works known to man.
Unknowingly born with Echo in his blood and an ever-growing ability to harness it, as he learns to control time itself - Grandpa Mac’s grandson “Q” fights alongside his father, Daddy Mac and their bandmates, remaking and recharging the greatest songs of the past - standing and banding together to defend our history and the future of music.