Idealistic young doctors, on the run from personal demons, arrive in a small town in the South American jungle; a former chief of surgery at UCLA teaches the newcomers how to save lives in a challenging environment.

Lily and Ben help a wildlife photographer who is being attacked by an anaconda; Tommy learns a cultural lesson; Mina tries to get along with a new co-worker.

A live wire electrocutes a man and causes a citywide blackout during the annual festival; a mudslide endangers a pregnant couple.

Mina struggles with her moral code after learning a patient's identity; Lily learns more about Ben and is tested on her first trip to the city.

Ryan, Ben, Tommy and Mina must save a patient underwater when a scuba trip goes awry; Zee's old flame shows up seeking an unconventional treatment.

The clinic is left without any medication after a robbery; Otis must confront his personal demons; Ryan meets a patient who has a disease she is familiar with.