Maggie, OA and the team must stop a hacker who is disabling life-saving equipment in several New York City hospitals, while demanding a full investigation into the recently deceased patients of a local psychiatric facility. With Jubal's son waiting for important surgery at one of the impacted hospitals, Jubal's adamant about remaining involved in the case despite Isobel's reservations.

FBI Season 4 Episodes...

• s04e01 - All That Glitters (1)
• s04e02 - Hacktivist
• s04e03 - Trauma
• s04e04 - Know Thyself
• s04e05 - Charlotte's Web
• s04e06 - Allegiance
• s04e07 - Gone Baby Gone
• s04e08 - Fire and Rain
• s04e09 - Unfinished Business
• s04e10 - Fostered
• s04e11 - Grief
• s04e12 - Under Pressure
• s04e13 - Pride and Prejudice
• s04e14 - Ambition
• s04e15 - Scar Tissue
• s04e16 - Protective Details
• s04e17 - One Night Stand
• s04e18 - Fear Nothing
• s04e19 - Face Off
• s04e20 - Ghost From the Past
• s04e21 - Kayla

FBI Show Summary

A fast-paced drama about the inner workings of the New York office of the Federal Bureau of Investigation. These first-class agents bring all their talents, intellect and technical expertise to tenaciously investigate cases of tremendous magnitude, including terrorism, organized crime and counter intelligence, in order to keep New York and the country safe.