Aspiring doctor Marigaby tries to balance university life with her family's ambulance business. Her father, Ramón, is hiding something.

While Ramón struggles to keep his secret, Marcus - the older Tamayo brother - receives life-changing news.

An earthquake takes out the medical clinics, putting Marcus and Marigaby's skills to the test. Julito, the youngest Tamayo, faces his fears.

Marigaby's school discovers she's breaking the rules. Ramón's health issues worsen. Julito is presented with an ultimatum.

An unexpected passing hits the Tamayo family. Julito makes a new friend. Marigaby's personal life gets complicated.