Black widow spider bite can be a rare condition causing various symptoms from mild to very dramatic ones. In this article, we describe the case of a young girl bitten by a black spider whose evaluation was complicated by fulminant myocarditis, fortunately with a good prognosis. Our case study brings light to the various effects that toxins released from the black widow spider can have on the body, especially on the heart. Myocarditis can be one such clinical complication caused due to the effect of the toxic agent on the heart muscle.