Marie Sullivan, the sultry stepmom, finds her step-son in a compromising position, his life hanging in the balance. As she rushes to his aid, their eyes meet, and an electric spark ignites. Unable to resist, Marie indulges in her deepest fetishes, giving in to the forbidden affair. Their bodies entwine, the weight of their actions heavy but thrilling. Caught in the throes of passion, they're oblivious to the world around them, until a sudden noise threatens to expose their taboo liaison.