When we re-join the Walker clan at the start of season 5, a year will have passed since the tragic events of the car accident that left Robert dead and Holly with memory loss. We will learn that the surrogacy pregnancyhas not worked out for Kevin and Scotty leaving them extremely disappointed.
Enter Mateo(played by Bobby Soto). Kevin will encounter this kid at his law firm. That's right Kevin has gone back to practicing law! He is a troubled teenager who is headed for foster care and someone that Kevin and Scotty may be able to help. He will first appear in the premiere episode of season 5 entitled "Homecoming."