Try to focus on resolving present mysteries than introducing more suspense such as an alternate universe. Things are more unexplained after the second season than the end of the first.
An honest film! Skateboarding is a shaky roof, temporarily sheltering boys from their shakier daily lives. Skateboarding is also a filter, sifting through kids from diverse colors and successfully singling out the lower class. Finally, skateboarding is only heading forward, leaving what has been past behind.