With a back basket on his back, Lin Yuan climbs the mountain to dig for medicinal herbs. As he passes a thousand-year-old frozen pool, the ice suddenly explodes, and a black shadow shoots out like lightning. It turns out to be a white snake three zhang long. Its lowered gaze sweeps over Lin Yuan, then it suddenly opens its mouth and spits out a gleaming pearl. The pearl spins through the air and flies into his arms, icy to the bone yet carrying a pulse-like warmth...
