Maggie goes undercover working in a bar to investigate an anti-government group that regularly gathers there and has several members suspected in a series of bombings. The case opens old wounds for her when a single father on the periphery of the group begins to fear he's in danger of becoming collateral damage.

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.