Shan Shan, a kind-hearted girl, falls ill unexpectedly while participating in an extra-curricular activity with her classmates. Her sister ventures into a science experiment to save her, and eventually sacrifices herself.
Overview：Shan Shan, a kind-hearted girl, falls ill unexpectedly while participating in an extra-curricular activity with her classmates. Her sister ventures into a science experiment to save her, and eventually sacrifices herself.
