Luke Rosen signs his daughter up for a research study to find out what's causing her seizures and ends up having to fight to find the answers, and after doctors are unable to prevent her daughter's daily seizures, Tracy Dixon-Salazar decides to take matters into her own hands.

After Kenny Kinds begins lying to his parents about his grades, he has to question why he is in engineering school in the first place, and after a tragedy, Brianna Shaughnessy discovers a different way to heal at the Great Barrier Reef.

As the scientist in the family, Steve Scott takes on a new role when his dad must undergo heart surgery, and Tajana Schneiderman struggles to live up to the expectations and sacrifices of her brilliant scientist mother.

When pharmacy professor Lindsay Acree volunteers at a local needle exchange, her beliefs about addiction are challenged, and engineering PhD student Jeannie Purchase sets out to help a couple in rural South Carolina who have endured dirty tap water for a decade.

Veterinarian Rodrigo Solis thinks he's found the perfect job -- taking care of horses in the Mexican Army -- until a new commander takes over, and weeks before an important performance, opera singer Laura Crocco notices there's something wrong with her voice.