A young, hard-up aristocrat decides to visit his wealthy relative in the hope of obtaining a loan. When he arrives at Greylands Court, he is warmly greeted by his cousin, but his hostess is strangely hostile. However, her husband urges the young man to pay no attention to her, and invites him to tour his menagerie. There he sees the star of his cousin's collection: a sleek, black Brazilian puma...