小冬每天早睡早起，練習腳踏車，想拿到腳踏車比賽的最大獎。可是最近，每天晚上窗外都出現了奇怪的影子，讓小冬感到很害怕......小冬該怎麼辦呢？Tony practiced hard every morning for the first prize of the bicycle race. However, there was strange shadow appeared outside the window these nights, and Tony was frightened and unable to sleep...What should Tony do?
