When last were you really happy? This is the question that forms an invisible bond between three people in Buenos Aires: a sleepy street musician, a skeptical escort lady, and a bellhop with an elevator phobia who still lives at “Hotel Mama”. Their weekly sessions at a therapist’s – which in Buenos Aires is as common as your daily lunch break – and, above all, the chance encounters with each other in the milling masses of the metropolis bring them to a decisive point: either things continue as before, or they decide on a “cambio de aire” and change things.