Mason is hired to establish the fact that a one-time famous actress is the mother of his client's wife.
A little girl's plaintive request for help in learning who she is leads Perry Mason into an international quest and a murder trial.
Perry defends a young heiress who married a fortune hunter, and who now has been accused of murdering the woman who was blackmailing her new husband.
An oilman who wishes to sell oil leases at an unusually low price asks Perry to handle the transaction; guest Bill Williams.
Youngest son Ernie (Barry Livingston), who doesn't even like girls, winds up with two dates for the same dance.