A landlord squeezes a Haitian laundress for more rent and is made ill by voodoo. He has her deported, but the box holding the pills to cure him contains only more boxes, one within the next.
A man tries to ruin his partner and romantic rival. He overpowers a ray intended to capture a lion and it explodes. He seems to be blown into the past and hides for a year, but actually the ray's malfunction created a dinosaur out of a fossil, and his partner became rich in his absence.
Two swindlers get taken by a conman who tries to sell them a gold-making machine. The machine accidentally transports them into their own past, back to the beginning of their prison sentence.
An unemployed actor comes across a room with two billion cards in it which assigns all human beings their role in life. A loudspeaker takes requests from people who wish to change their roles. When the actor is refused his request for a new role, he threatens to expose the setup, and the loudspeaker voice reassigns the man's role from actor to mental patient.
A rogue planet is headed for Canopus Minor and their escape craft can only evacuate 12 people. Sfeen finds a way to shrink everyone into miniature size so the entire population can fit.