Grieving Helen and her daughter Lauren, at odds, probe the death of Helen's sister, a top math professor. With the help of Lauren's math tutor Kristy, they uncover a shocking familial betrayal.

After a video of her goes viral, down to earth mechanic, Nikki "Sparks" Turner, finds herself falling for the charming publicist, Jeremy Mitchell as they strive to turn Nikki into the first female host of America's biggest car show.