The latest POI finds himself at the center of a dark government conspiracy -- one that Finch is all too familiar with. Meanwhile, Reese uncovers something about Finch's past.
Ripley and Charles treat a patient with OCD. Hannah and Archer encounter a woman with a foreign object lodged in her heart. Crockett clashes with the Chief of Oncology.
Using a necklace and a microwave transmitter, Mac and the team attempt to locate Riley after her first solo mission with a group of dangerous hackers goes off the rails.
Murdoc moves forward with his plans for revenge against MacGyver by recruiting his recently released former cellmate to infiltrate the Phoenix Complex as a "lab technician" and kill every agent inside.
MacGyver uses a heater and tabasco sauce to help a key presidential candidate in Ecuador receive a heart transplant he desperately needs after a rebel group tries to sabotage delivery of the organ.
