Following Eddie's heart attack, Hank and Evan discover things they didn't know about their father. Hank treats Jill after she collapses at a golf tournament and Divya still hasn't decided what to do about her feelings for Adam.

A woman who left a high stress lifestyle and moved to the Hamptons can't seem to relax but Hank has a medical explanation for her.

Best friends worry about their line of house-cleaning products.

Hank blames Dr. Van Dyke for a prescription error; the HankMed team attends a divorce party.

A matchmaker patient tries to setup Hank and Divya. Elsewhere. Evan attempts to get a handle on the overcrowded HankMed. Paige plans a party that spins out of control, and Boris protects his family.

The long-planned nuptials of Evan and Paige are finally here but along with this anticipated event comes secrets from the past that are finally revealed and flashbacks.

Several months after the events of the explosive summer finale. With the Hamptons decked out for the holidays, Dr. Hank Lawson continues to treat his patients in very unexpected ways, but Hank's biggest challenge will be facing his own medical issues. As the wedding approaches, Evan and Hank head to Las Vegas for some bachelor party fun, while Paige and Divya travel out of town for her bachelorette party. And with a snowstorm descending on the Hamptons, Paige rapidly finds her dream wedding turning into a nightmare.

Hank treats a young paleontologist; Russel suffers an impossible injury; Evan and Paige need to take a drastic step; Divya receives news about her pregnancy.

Hank and Evan search for Emma; Evan cannot understand Hank's reluctance to join Boris' new endeavor; Paige and Evan learn something about Bob; Jeremiah tries to accept Viviana's changes.

Hank treats an overworked Keller. Divya meets Hank's mentor. Evan and Paige struggle with the demands of IVF. Jeremiah creates a video for Divya's baby shower.

Hank helps a theater legend at Eddie's wedding; Eddie and Evan reconcile. Paige and Evan wait for pregnancy test results.

As Boris prepares to leave the Hamptons forever, he asks Hank to join him; Evan and Paige consider a life-altering decision; Divya receives news.