Bruce's cousin Roger, who lives with the Patman family is nothing like Bruce. Roger was penniless for most of his life. He only recently found out that his late father was a Patman and that he was heir to his father's estate. Roger is still trying to adjust to his newfound wealth. The boys have only one thing in common - their grandfather, who is one of the richest men in California. A shrewd, hardworking businessman, Mr. Patman decides to set up a contest between Bruce and Roger. The winner will inherit the grandfather's entire estate. The war is on - and Bruce will do anything to win!