You work in the service of a firefighter. You had a difficult night on duty. Many calls and incidents. You unreal tired and decided to lie down for a little rest. But you fell asleep on the unknown amount of time. When you wake up, everything had gone home and locked you inside. But you need to go home to his family and children. To open the door, you need to find the key. Which is hidden in the safe with the key rebusnym. Also you will need to collect the materials at hand that will help you in your search.