Synopsis

A strange occurrence draws the Fringe Division's attention: fifteen individuals along the Eastern Seaboard have inexplicably suffered retrograde amnesia after tuning their shortwave radios to the same frequency. To Walter's growing frustration, Peter continues his work on the device designed for widespread destruction. Meanwhile, the connection between Alternate Olivia and Peter deepens, mirroring a burgeoning intimacy, as the prospect of Olivia’s return heightens the tension.