Unable to stand the summer heat, Hana asked her neighbor Naro, who is also an electrician, to help her assemble the air conditioner. Because her parents work far away, only Hana is at home, and now there is another man. Naro is a good person, he is always focused on what he does, he does not pay attention to anyone in the house but only focuses on his expertise, occasionally answering Hana's questions. But the current female owner of the house is different. Hana always does actions that make anyone who looks at her angry, Uncle Nero is no exception. At first Nero tried to control his emotions, but in the end he could no longer stand Hana's stimulating movements.