Biel is 8 years old and he lives in a building in Barcelona with his parents and her sister. One Saturday morning he’s bored in his home. He has a very strong imagination and he really wants something to happen… he slides the grid of th...

Biel is 8 years old and he lives in a building in Barcelona with his parents and her sister. One Saturday morning he’s bored in his home. He has a very strong imagination and he really wants something to happen… he slides the grid of the heating of his room and… zoom! The pipe swallows him. Biel, that for some reason has become sufficiently small to move inside the pipe, discovers the secrets and the fantastic lives of his neighbors.