In the 65th of 66 Hopalong Cassidy movies, Bill Boyd greets retired professor and butterfly catcher Joel Friedkin and his pretty daughter Elaine Riley. They have just bought the worthless Paradise Ranch, which has been sold to them by an unscrupulous dealer. Eagle-eyed Hoppy, however, has noticed signs of silver ore on the property and offers to help develop it. Little does he know that unscrupulous banker Cliff Clark was the man behind the deal, and now that there may be silver on the property, schemes to get it back.
Elaine Riley was a frequent ingenue in the series, with four appearances in the movies and one in the TV series. She was born in 1917, After a series of beauty contests, she entered the movies in 1943. She mostly played uncredited bits. Her last big screen appearance was in 1956. She had better credits on TV through 1960, mostly in westerns. She died in 2015.