Sean's transcription of the voices he heard during the murder leads the team to a subway bathroom, where they discover blood from an assailant injured in the attack.
Walter concludes that Sean is reading the thoughts of other in vitro children that share the same genetic trait and are protecting themselves like animals in a hive.
Meanwhile, Sean hears voices plotting to ambush the duo, and Astrid is able to alert Olivia in time for her and Peter to defend themselves and capture their attackers.
He and Lincoln confront Nina Sharp (Blair Brown) and demand an inspection of Walter and William Bell's Cortexiphan samples, which were stored in Massive Dynamic's headquarters under biometric security measures.
"[2] In the lab, when Dr. Walter Bishop is testing Olivia Dunham's DNA, the song being played in the background is Karen Elson's "The Ghost Who Walks" from the album of the same name.
The instance of a fertility doctor using his own sperm to impregnate several of his patients is highly reminiscent of the case of Dr. Cecil Jacobson, who was accused of such practices and later convicted of perjury and had his medical license revoked.
I thought Allegedly Crazy Sean was a clever twist on the magical nutjob archetype, and I was intellectually and emotionally activated by Olivia’s life changing internal event, which begged various meaningful questions about the nature of identity and whatnot.
After a slow, slightly frustrating install, Fringe 4.0's reboot-oriented operating system is beginning to yield stories that are stimulating for being unique products of that premise.
"[6] Noel Murray from Avclub says "As a fervent Fringe fan, I couldn’t help but be moved by Olivia’s gradual return, as she has flashes of memory and begins talking about how comfortable it feels just to be with Peter.
Though Sean’s storyline trails off, “A Better Human Being” still ends powerfully, jumping between the Olivia/Peter love connection and Walter’s confrontation with Nina, in which he discovers that her locked-away Cortexiphan supply has been replaced by some phony red-colored solution.