The Tale of the Book of Secrets Blindspot : Season 4 Episode 12
TV-14 NBC 42m
Aired: February 8th, 2019 @ 9:00 PM EST on NBC
Roman's clues lead to a billionaire hypochondriac with stem cells that could cure Jane, who is now on her deathbed. Patterson and Rich offer to trade the Book of Secrets for the stem cells -- but first they'll have to get it.
