In a future where highly advanced artificial intelligence systems threaten humanity's existence, a scientist takes a risk and goes back in time to prevent the disaster from happening. the ai assistant of the past is vivy, an autonomous songstress who has been programmed with a mission to spread joy through her voice. despite being largely ignored in a theme park setting, she continues to pour her heart into her performances, repeating them day after day. however, everything changes when an advanced ai from the future appears before her and asks for help stopping a catastrophic war that will occur a century later. with no time to comprehend this new reality, vivy is thrust into a journey spanning a hundred years to prevent the impending violence.