"Search for the Impossible Man"
While following clues that will lead him to the mysterious Roy Raymond, it comes to light that this man has been missing for two years. Also Clark Kent is protecting a secret, which only Lola Barnett knows.
The story behind this secret is told in Superman (1939) #279
"Private Life of Clark Kent: The Kid with the Million Dollar Smile"
Clark Kent finds himself with the opportunity to help out a child television spokesperson, who is at odds with the world.