Walter Ostrander disappears and reappears as the only acrobat who can do the spinning twist, Manuel Algaroba. But how and why and what's his connection to the late Pedro Bargalbo, the only other man to ever accomplish the same feat?
A sound engineer tries to kill a girl who spurned him using sound waves. When they fail, he is confused, and is killed by the waves, which didn't affect the secretly hard-of-hearing girl.