Sheila Rubin is a quietly tormented housewife in ’80s San Diego. Behind closed doors, she battles extreme personal demons and a vicious inner voice. But things change when she discovers aerobics, sparking a journey toward empowerment and success.

Season two finds our hero Sheila Rubin having successfully launched her first fitness video only to encounter some new and bigger obstacles on her path. She is torn between loyalty to her husband and the values he represents, and a dangerous attraction to someone else. And since she’s no longer the only game in town, she finds herself having to outrun some fierce new competitors on the road to building a full-fledged fitness empire.

In the third and concluding season, Sheila finds her status challenged by rising celebrity exercise goddess Kelly Kilmartin, who becomes not only a professional threat, but manages to get in her head. Will Sheila prevail, or will Kelly’s presence in her life undermine the hard-earned healing and stability that Sheila has worked so hard for?