Hank and Evan take on a job looking after a wealthy family who live on a private island which is technology-free. Despite Hank's better judgment, a woman plans on having her baby right there on the island. Meanwhile, Evan finds himself clashing with a teenage family member. Back at home, Jill struggles with hospital politics.

Hank saves a hand; Boris' health quickly fails after Marisa's treatment; Divya clashes with Dr. Peck.

On a trip to Florida to attend Eddie's parole hearing, Hank and Evan find him in the company of an ex-con seeking spiritual salvation whose erratic behavior has Hank worried.

A runner struggles to regulate body temperature while training; Boris' decline may not be related to the disease.

Hank & Evan's father Eddie makes his return to the Hamptons and schemes to bring his boys back together. Hank has a new patient who is participating in a zombie race for charity. Evan also has a new patient, a retired biochemist with a possibly sinister past.

Hank attends a secret meeting in Manhattan; Evan and Jeremiah treat an Internet entrepreneur; Divya reconciles with her father.