Do you have SALT?

Snow is slowly falling outside. A girl named Anastasia, who lives in an old multi-story building, decides to leave her apartment. She goes to borrow some salt from her neighbors and find a treasure hidden in this house. But what kind of treasure is this, and is it worth looking for? Her neighbors are very strange, and Nastya will have to make a choice which one to go to. Reality mixes with nightmares, but the treasure is somewhere very close...