提供一篇1000字的小说，并要求在其中添加一个情节转折点。
文章：
The old man sat by the fireplace, lost in thought. For years, he had been searching for the fabled treasure of the Lost City of Gold. He had heard the legends and the rumors, and he was convinced that he was close. Suddenly, he heard a loud knock at the door. He got up, expecting to see a messenger or a fellow traveler, but when he opened the door, he saw no one. However, lying on the doorstep was a map - a map of the Lost City of Gold.
The old man's heart raced as he studied the map. He could hardly believe his luck. He had been searching for this for years, and now it seemed as though the treasure could finally be within his grasp. He spent the rest of the night studying the map and planning his journey.

Days turned into weeks as the old man made his way through the thick jungle towards the Lost City of Gold. He battled insects, snakes, and the scorching heat, but he remained focused on his goal. Finally, he reached the edge of the jungle and saw the city in the distance.

As he approached, the old man's excitement grew. He could see the gold disks embedded in the walls of the city and the golden statue that stood at its center. He had made it - the treasure was his.

But as he got closer, he saw something that halted him in his tracks. The city was not empty, as he had assumed it would be. Instead, he saw a group of armed men making their way towards him. They were the guards of the Lost City of Gold, and they were not happy to see him.

The old man quickly scrambled to his feet and made a run for it. But he could hear the guards pursuing him, their angry shouts ringing in his ears. As he ran, he realized that this had all been a trap. Someone had led him here, knowing that the guards would catch him and take his treasure.

The old man tried to outrun the guards, but he was no match for them. They tackled him to the ground and stole the map and his backpack from him. They left him alone in the jungle, with nothing but the sound of his own heart beating in his ears.

The old man was devastated. He had come so close to his dream, only to have it snatched away from him at the last moment. But as he lay there, he realized that he had learned a valuable lesson. He had spent his entire life chasing after wealth and fame, but he had neglected the things that truly mattered - his friends, his family, and the simple pleasures of life.

With a heavy heart, the old man made his way back home. He knew that he would never give up on his dreams, but he also knew that he would never again let his desire for riches consume him. For the first time in many years, the old man truly felt content.