Intro. Vicky, a young girl, was the only and diligent daughter who always brought home good grades... except in their math bulletins. Each red rating was a knot in his stomach; He couldn't bear the thought of disappointing his parents.
Mr. Nestor lived in front of his house. A man of sixty, robust, always in a black shirt and trousers, a widower and a hermit. Rumor was that he had been a teacher... but no one in the neighborhood dared to disturb him.
One afternoon, with her heart pounding in her throat, Ana crossed the street and knocked on her door. He opened the door, surprised. In a trembling voice, she pleaded: "Could you help me with math?"
After a silence that became eternal, he let her in. In the semi-darkness of a house full of dusty books, he listened to his story. Hesitated. A young girl, alone, with him? But in his eyes he saw pure necessity.
"All right," he agreed, "but there will be conditions: you'll clean and tidy up here, and this will be a secret. Deal?"
Vicky nodded, tears of relief. Not knowing that ...