A whisker-licking story of one kind little mouse! Who would ever suspect that Carlo would meet Fidel the cat inside the hospital? Who would ever believe that the tricky young mouse would outsmart the old cat? Who would ever imagine that for the first time in his life, the daring mouse would venture away from his home and find himself outside the hospital? Homeless, cold, and hungry, Carlo and his family face attacks from vicious birds. Throughout his dangerous journey, Carlo finds adventure aplenty. He learns about life outside the hospital and the dangers that mice face on a daily basis. Determined to return home safely, Carlo has grown up and finally understands why he must obey the rules his parents taught him. Follow the unexpected adventures of this bold little mouse!