In Del Rio, Texas, life is all about borders -- and what happens when you cross the line. A fresh new series in the tradition of Bluford High explores what it's like to grow up on the edge. In the Rio Grande Valley, life is all about borders -- and what happens when you cross the line. Nothing is simple in a border town like Dos Rios, in the Rio Grande Valley of Texas. Even for high school students Fabiola Garza and her younger sister Alexis, whose parents run a local Tex-Mex restaurant, Dos Rios is full of borders -- where you should go, who your friends should be, which boy you should date. ...