The chef at Ray’s new restaurant seems to be getting drunk on the job, but Hank believes it’s not just a matter of hitting the bottle. Divya treats a NASCAR crew chief who channels his anxiety into an unexpectedly dangerous habit. Evan’s friendship with Ray helps him find a promising space for HankMed’s new lab, but Jeremiah has concerns about the location. And while Hank tries to get Emma to think about her future, Divya makes an important decision about her own.

Hank treats a perfumer who is losing the sense of smell; Evan and Ray hold a grand opening for HankLab; Divya tries to protect Jeremiah.

Hank and Boris meet a potential trial patient in Argentina; Divya meets Sashi's grandmother; Russel tries to make amends with Paige; Evan strives to expose Oz.

Despite their strained relationship, Divya and Jeremiah work together to treat a model who is struggling to eat. After Ray’s past catches up with him, Evan tries to distance himself from their partnership but it proves to be harder than he expected. Hank and Boris return from Argentina with an idea to enlarge the scope of Boris’ foundation, and Emma violates her brothers’ trust.