Sandra, Donald and Mark live near the railway. Friends must visit them, whom they have not seen for a long time. Guests do not know where their friends live, so they asked to meet them on the station platform. When the heroes arrived there, they did not find any visitors. Here the most interesting thing in Unknown Reason begins. The characters will have to explore all the stations to find lost comrades. They can get lost, because they do not know the new address of friends. Help the company in search. It is necessary to examine many places, to become detective for a while, collecting various objects. Which will indicate the path of lost tourists.
