Emre who is thirteen years old, lives in Trabzon, Araklı. Hamza who is big brother of Emre, goes to city centre that is Araklı with their bicycles. Emre is bored and he offered to his brother to go with them but Hamza didn't agree with this idea. He goes away city centre without Emre. Because of this Emre decided to go his biggest brother Atilla. When he went to Atilla, he told everything. Atilla has got a plan. This plan is to make traditional Blacksea's car that has got four wheel or ball named Bilyali