It's not easy to get it right at first. Texts don't always come out perfectly. A zero is round and so is a meatball and a potato. Things aren't what they seem... or are they? A manual for writers. Does fiction imitate reality?

Dora is a journalist on a local paper where her job is to fill the boring pages of the cultural news section. Each day she has to travel on the commuter train from the suburbs, where she lives, to Barcelona, where she works, and back again.

In an adulterous relationship, the lovers exchange true and false sentiments with the same conviction. It is an intimate setting with no witnesses. But what happens if the false is true, and the truth is fear of replacing the spouse?