The episode picks up in the wake of Peter’s disappearance. Walter, devastated and guilt-ridden, is self-medicating with a potent cannabis hybrid he calls "Brown Betty". When Olivia drops off her niece, Ella, at the lab, Walter spins a detective story to keep her entertained—a tale that mirrors his own psychological turmoil. The Noir Alternate Universe
: A gumshoe hired by Rachel (Olivia's sister) to find her missing love, Peter Bishop. [S2E20] Brown Betty
: It’s a surreal hybrid world where characters wear trench coats and fedoras but still use modern cell phones and computers . The Soundtrack: Musical Highlights Fringe season 2 episode 20 review | Den of Geek The episode picks up in the wake of Peter’s disappearance
: Nina Sharp is an evil industrialist, and the Observers are "Watchers" who strike from the shadows. The Noir Alternate Universe : A gumshoe hired