The Blacklist - Season 4 Episode 15 The Apothecary Never trust a criminal... Until you have to.
Overview: After being dosed with poison, Red must retrace his steps to discover which of his closest allies has betrayed him, while the task force races against the clock to find an antidote that will save him.
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Really great action series I've been watching for some time now...
The Blacklist is in my opinion the best series right now on TV.