The Yellow Canary

The Yellow Canary is a 1963 film thriller directed by Buzz Kulik. It stars Pat Boone and Barbara Eden, and it was adapted by Rod Serling from a novel by Whit Masterson, who also wrote the novel that was the basis for Orson Welles Touch of Evil. The film was photographed by veteran Floyd Crosby and scored by jazz composer Kenyon Hopkins.

Andy begins an engagement at the Huntington Hartford Theater in Los Angeles. He and Hub arrive home to find a maid Lisa hysterical his infant son Bobby has been kidnapped and the sons nurse murdered. The ransom note has the code word canary and they summon the police, led by Lt Bonner Klugman.Andy doesnt tell the police about the code word out of fear that his son may be killed. A second message arrives demanding 200,000 ransom, which Andy manages to raise, and the money is delivered to an isolated beach but nobody comes to meet him. ........

Source: Wikipedia