Ismail, Leila, and a group of others attempt to rob a jewelry store in the Arak market. However, their escape takes an unexpected turn when they fall into a well, leading to the city’s underground water channel. To retrieve the stolen jewelry, they force an elderly resident named Seyyed Musa to cooperate by taking his son hostage.
Davood, who is worried about his father’s health, and his friend Yadollah cause problems for the robbers. When Officer Jalali and other police officers arrive at the scene, they manage to apprehend the robbers and rescue Seyyed Musa and Davood.
