When was the last time you were happy? This question marks the invisible bond between three different people in Buenos Aires - a dreamy street musician, a skeptical escort lady and a doorman with a phobia of elevators who still lives with his mother. Their weekly sessions with their therapists - in Buenos Aires as normal as the daily lunch break - and their coincidental encounters with each other in the jungle of the big city suddenly lead them to a point where they have to decide: Go on as before or turn their life upside down for a change of scenery, a 'cambio de aire'?