Mickey Mouse leaves Mouseton for Anderville on SHUSH business, being involved in the case of his missing young friend Sonny Mitchell. To prove his innocence, being mistaken for a criminal, both from Anderville villains and police inspector Jon Clayton, he faces some dangerous situations, running the risk of being killed. He becomes friend with Little Caesar, a well-respected, and somewhat rude, bartender, and with his friendly customers. He eventually proves his innocence but he is forced to stay in Anderville, waiting for furthermore investigations.