This episode follows FBI agent Lincoln Lee assisting the Fringe team's investigation into a woman, Dana Gray, who repeatedly but unsuccessfully tries to commit suicide. Meanwhile, Olivia continues to serve as the host for William Bell to the dismay of most of her other team members.
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This episode's glyphs spell:
The Observer can be seen across the street from the crime scene where Dana Gray and Jim fell onto a taxi.
A control box in 'OS' has a logo for "Gray Electric" with a lightning bolt symbol. This foreshadows the main suspect in 'Stowaway', Dana Gray, who had been struck by lightning multiple times.
A folding fan seen in the background in 'Stowaway' foreshadows Fauxlivia giving birth in a Chinatown gift shop in 'Bloodline' that has folding fans hanging from the ceiling.
Suddenly she found herself drinking tea, disoriented from the timeslips.
Bell put his soul magnets into the tea that Olivia drank, and Olivia's body was possessed by William Bell in "Stowaway". (Image 1, 2)
Lincoln pointed out an outlying piece of evidence to Peter to help them understand their suspect.
Lincoln pointed out an outlying witness to Olivia to help them gain new information about an incident.