Rosalee (Bree Turner) surprises Monroe (Silas Weir Mitchell) with a getaway for his birthday and invites most of the gang to join them.
Things take a shocking turn when a hotel employee targets Nick (David Giuntoli) in an effort to avenge his father.
Using some body fluids, he makes all of them, except Rosalee due to her pregnancy, fall in love randomly with each other, so they will fight each other to death.
Renard (Sasha Roiz) spends the weekend with Diana (Hannah R. Loyd) when a former ally, Lt. Grossante (Chris L. McKenna), decides to get even by kidnapping her.
The episode was viewed by 3.92 million people, earning a 0.8/3 in the 18-49 rating demographics on the Nielson ratings scale, ranking third on its timeslot and seventh for the night in the 18-49 demographics, behind Dr. Ken, 20/20, MacGyver, Blue Bloods, Shark Tank, Last Man Standing, and Hawaii Five-0.
Club wrote, "I said a couple of weeks ago that Grimm tends to spend most of its time in darker places, and it seems that this final season is determined to prove that statement wrong.
"[7] Christine Horton of Den of Geek wrote, "Ultimately, 'Blind Love' is a bit of a throwaway episode, and if you miss it, it won't make any difference to the rest of the season.
But you can't help but feel like this is one final hurrah before things take a much darker turn for the remainder of the season.