The Hardy Boys / Nancy Drew Mysteries - Season 1 - Eps 13: The Secret of the Jade Kwan Yin
The Brothers become involved ia an unusual case of smuggling with an oriental flavor when they try to unravel the mystery that surrounds an ancient Chinese treasure. While snorkeling at the beach, Frank and Joe find an large unopened wooden box and take it home. When they discover that it contains a priceless, stolen Chinese statue, the two take off on a wild adventure that puts their lives in peril.
About The Hardy Boys / Nancy Drew Mysteries

Title: The Hardy Boys / Nancy Drew Mysteries
First Air Date: 1977-01-30
Last Air Date: 1979-01-14
Status: Ended
Rating: 7/10 (from 26 votes)
Language: EN
Seasons: 3
Total Episodes: 46
Network: ABC
Genres: Mystery, Action & Adventure
Production Companies: Unknown
Synopsis
The Hardy Boys/Nancy Drew Mysteries is a television series which aired for three seasons on ABC. The series starred Parker Stevenson and Shaun Cassidy as amateur sleuth brothers Frank and Joe Hardy, respectively, and Pamela Sue Martin as girl detective Nancy Drew. The Hardy Boys/Nancy Drew Mysteries was unusual in that it often dealt with the characters individually, in an almost anthological style. That is, some episodes featured only the Hardy Boys and others only Nancy Drew.
Cast

Shaun Cassidy
Joe Hardy

Parker Stevenson
Frank Hardy