As Phoebe rises to fame through her Murdercise workout videos, she begins to attract the attention of other fitness icons who see her as a threat. She finds herself in a heated rivalry with the queen of the fitness world, a self-absorbed diva who will stop at nothing to maintain her position at the top.
Phoebe's new mafia princess friend, Isabella, introduces her to a world of power and control, teaching her how to use her newfound notoriety to get what she wants. But as Phoebe becomes more ruthless and cutthroat, she begins to realize that she may have crossed a line that cannot be uncrossed.
When a scandal breaks and Phoebe's Murdercise videos are linked to a string of gruesome murders, she must fight to clear her name and maintain her place in the fitness industry. As she tries to find the true culprit, she must confront the dark side of her own ambition and the consequences of her actions. Will Phoebe be able to survive the fallout and come out on top, or will her obsession with success lead to her downfall?