Concentrate and Ask Again, A scientist dies after ingesting a 雲, クラウド of blue powder that disintegrates his BONES(ボーンズ)-骨は語る- a person from Walter’s past reluctantly agrees to help with the investigation.
Fringe Team visits Massive Dynamic’s assembly of doomsday device, Walter becomes concerned for Peter’s well-being, so he turns to Nina for added brain power to understand the relationship between Peter and the super-weapon...