Pororo and his friends were playing doctors and patients. Loopy finds out that Crong is hungry when she heard the sound coming from his stomach listening through a stethoscope. Amazed by the stethoscope, everybody now thinks that Loopy can find out anything using the stethoscope. Pororo, Eddy, and Poby take turns in ‘Loopy’s medical examine’, and confess each of their wrong doing in their past…