Peter and Greta are asked to compete against Wally and Vera Frick for membership in N.O.O.K., the National Order of Kangaroos, by Mr. Brahms, who is King Kang of Hutch #1. The competition is a treasure hunt. The two couples are told at the Kangaroo meeting to leave all their money behind and to obtain all the items by ingenuity alone. Peter and Greta manage to get all the items as Peter trades some of his clothes for them. Wally and Vera cheat, using money that Vera hid. The directions guide Peter and Greta to a car they are to use to transport themselves and their treasures back to Kangaroo headquarters but Wally and Vera tell a policeman they are stealing the car. All four end up at the Police Station. Greta calls Mrs. Brahms and she and Max get everything straightened out.