A locksmith finds his spare key opening an apartment one day in the future. The adult tenant waiting there wants the door repaired, not a romance, until their careful experiments reveal a future neither should have to inherit unchanged.
A window repairer discovers her house moving its rooms closer to the greenhouse next door. Helping two buildings fall in love without trapping their residents forces the human neighbors to discuss the changes they have both been pretending not to want.
A comic novelist rents a quiet flat and discovers her neighbor is the meticulous typewriter repairer whose complaints inspired her villain. Repairing the damage to his reputation might require writing someone worth loving.