Zero the Dog, already a failure as a bloodhound or a retriever, is just as bad as a watchdog, and is frightened when a burglar appears. Casper the Friendly Ghost, unknown to Zero, comes to his aid and frightens the burglar away. Zero thinks he did it on his own, and gains back all of his lost self-respect. 突然爱上Casper。挺想要鬼魂他们那种人类/动物看到就吓到逃跑的能力