"Elena, a senior executive of the refrigeration company, installed a central air conditioning system for the old apartment building for free to repay her neighbor's ""life-saving grace"" to her father Miguel. However, after enjoying the coolness, the neighbors repeatedly made unreasonable demands due to their unwillingness to bear the electricity bill and desire to monopolize the facilities, and even forced Elena to remove all the equipment by collective resolution. After Elena dismantled the equipment in accordance with the law, the neighbors In the heat, they were trapped. Clara and others bought inferior mobile air conditioners to save money, and the illegal wiring caused the circuit to catch fire, and the whole building was forced to cut off the power. Finally, the neighbors realized their responsibility in the disaster, apologized publicly, and bought air conditioner services from Elena at a high price. Elena also learned that only Rosa really saved her father when he fell. She finally regarded Rosa's fee as a return for kindness."
