Alien scientists come to Earth to study the phenomenon of human love, which radio broadcasts have been singing about for nearly a century. For their research, they disguise themselves as common house-cats, take a clueless young man and woman, psychically "enhance" them, and arrange for them to meet -- whereupon the two fall in love-at-first-sight. The alien scientists eagerly follow them around, taking notes. The problem is that these two are naturally clumsy, and their psychic "enhancement" spread a field of klutziness and freak accidents all around them -- a fact of which the lovestruck couple are... oblivious