Outside the gates

Two boys named Lyova and Alexander. Alex is very reserved and timid while his best friend Lyova is independent and brave. The boys live in a perfect city but out side the gates it is a new story. The only person to venture outside the gates was Alexander but the experience completely traumatize him. Lyova has always heard the story of a kid going out of the gates and he wants to go out with that person but has no clue where they are but he try's to get alex to go with him . But they get locked out of the town and have no idea what to do.