The gang is friend with a millionaire because they saved him from an agression. However, the gang is suspecting that the man's son was actually one of the agressors.
Ordered by a judge to get a job, Muggs McGinnis is hired by wealthy Mrs. Murray, who has a penchant for picking up trouble-prone servants. At an engagement party for Mrs. Murray's spoiled daughter Brenda, Muggs enlists his pals as extra help.