One Chicago family's journey to understand and care for an autistic son. Maria Diaz and her husband Jose only discovered their son Abi had autism after a trip to Mexico. For the Spanish speaking family, language barriers in the health care system created steep obstacles that persist to this day. Their son Abi, now 16, has taken huge strides toward improvement. Now Abi, his 11-year-old sister, Montserrat and the family dog complete a family whose struggles have made them closer.