'Spark' tells the story of Thelma Ellison, who has spent her whole life taking orders and repressing her true desires. She's pushed over the edge when she finds out her pretentious artist boyfriend has been cheating on her and using her credit card to fund his sexual endeavors. After completely breaking down, she decides it's time to take back control of her life- and humiliating her ex at his gallery opening is the best place to start.