The heartfelt plea doesnt work at all.
So, Patterson improvises on the spot.
Li has, because of course he has.

Credit: Barbara Nitke/NBC
He agrees, and they have 48 hours to deliver on their promise.
Theres just one problem: they definitely dont have the Book of Secrets.
Rich has the possible location narrowed down to a few countries, but he doesnt have much else.
Then Patterson notices a pattern in one of the images hes gathered.
Once at the cathedral, they find another image on one of the bricks.
This one shows snakes entangled with each other.
Pretending to be on their honeymoon, they secure a room that happened to be Mendozas old office.
As it turns out, they dont need it.
Rich notices a weather station on the wall with a mosaic that matches their pattern.
When Patterson punches in the numbers on the weather gauges, she gets coordinates for a lookout point.
Theyre clues from Roman.
They go back to Romans cache to examine the one file Patterson couldnt crack labeled Full Circle.
They find a clue, and Jane helps them out with the password.
It has to do with the coin her and Roman use to share as kids for comfort each other.
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Inside the folder is a map that Roman could never crack.
What Roman never had, though, was access to Alejandros notes.
Rich and Patterson go digging and they find a map of Machu Picchu that matches up.
Rich literally digs this time, and lo and behold they find the Book of Secrets.
As Patterson predicted, its filled with largely ridiculous holistic medicine practices, but its still incredibly valuable.
The FBI tracks his cell phone and sends in the Peruvian police.
Moments later, its all over.
Rich and Patterson are back at the hospital and Janes surgery is a success.
Shes on the mend and finally getting back to her old self.
Just in time too, as Zapata and Boston are in trouble.