The cases are about to get tougher. The relationships will soon grow more complicated. And the consequences on Royal Pains will become more life-changing.

So teases the following promo for "Fight or Flight," the penultimate episode of the season.

Guest-starring Julianne Nicholson, the installment will focus on a woman who moved to the Hamptons to relax, and yet can't seem to do so. What's the diagnosis, Hank? Get your first look at the upcoming hour via the video below, and visit TV Fanatic soon after it airs for a complete recap/review:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.