Marco, a man who installed AC units for the building, is confronted by a woman over her AC's water drip damaging her flower bed. She demands he reroute the pipe to a drain, a costly modification he agrees to cover. Another neighbor then complains about the outdoor unit's nighttime hum, prompting Anna, likely an associate of Marco's, to defend him. Despite her protest, Marco instructs his worker to add soundproofing at his own expense. Just as these small issues are seemingly resolved, the first neighbor raises a bigger complaint, challenging Marco over the AC unit's physical structure taking up shared space.