Story Structure — 5 Plot Phases
A Disappearance at the Threshold
Erroll prepares to leave the department as Harriet Wells disappears. Her parents seek help, and investigators initially consider that she may have run away.
Key Events
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Erroll Monitors Registrants — Erroll monitors registered offenders and verifies their addresses. Characters: Erroll Babbage
Location: Department of Public Safety
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Erroll Prepares to Leave — Erroll prepares to leave the department as his work draws resentment. Characters: Erroll Babbage
Location: Department of Public Safety
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Harriet Disappears — Harriet's parents appeal for help after she goes missing. Characters: Harriet Wells, Missing Girl's Mother
Location: Unspecified
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Allison Begins Training — Allison arrives as Erroll's understudy and learns his duties. Characters: Erroll Babbage, Allison Lowry
Location: Department of Public Safety
Suspicion Among the Registrants
Allison begins learning Erroll's work. Viola describes her history, while a marked newspaper article and leads involving registrants intensify Erroll's suspicions.
Key Events
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Runaway Possibility Raised — Investigators initially consider whether Harriet ran away. Characters: Erroll Babbage, Allison Lowry, Missing Girl's Mother
Location: Investigation setting unspecified
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Viola Describes Her Past — Viola says her former partner tested violent behavior on her before murdering women. Characters: Erroll Babbage, Viola Frye
Location: Unspecified
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Marked Newspaper Article — A marked article about Harriet's disappearance is left for Erroll. Characters: Erroll Babbage
Location: Unspecified
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Erroll Suspects a Registrant — Erroll suspects a registrant may be involved in Harriet's disappearance. Characters: Erroll Babbage
Location: Department of Public Safety
Authority and Personal Stakes
Erroll and Allison pursue leads despite warnings that the inquiry exceeds their authority. Allison learns that Erroll chose her as his replacement because of her insight into behavior.
Key Events
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Leads Involve Custis and Viola — Erroll and Allison examine the offender list and pursue leads involving Custis and Viola. Characters: Erroll Babbage, Allison Lowry, Viola Frye
Location: Unspecified
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Colleagues Challenge Inquiry — Colleagues warn that the inquiry exceeds their authority and that Erroll is being dismissed. Characters: Erroll Babbage, Allison Lowry
Location: Department of Public Safety
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Allison Learns Why She Was Chosen — Erroll tells Allison he selected her because her past gave her insight into behavior. Characters: Erroll Babbage, Allison Lowry
Location: Unspecified
The Runaway Report
Harriet's mother reports a call from California, and authorities conclude Harriet is a runaway. Erroll is removed from the premises but refuses to accept that the danger has passed.
Key Events
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Harriet Calls from California — Harriet's mother reports that Harriet called from California and is alive. Characters: Missing Girl's Mother, Harriet Wells
Location: California and unspecified call location
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Erroll Is Removed — Authorities classify Harriet as a runaway and remove Erroll from the premises. Characters: Erroll Babbage
Location: Department of Public Safety
A Gun and a Difficult Release
Erroll confronts Allison with a gun and insists that Viola and Custis have Harriet. Allison challenges his interpretation of the photographs and urges him to stop; Erroll remains struggling to let go.
Key Events
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Erroll Confronts Allison — Erroll confronts Allison with a gun and insists that Custis and Viola have Harriet. Characters: Erroll Babbage, Allison Lowry
Location: Unspecified
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Allison Challenges His Evidence — Allison identifies the photographs as showing the original murder site and urges Erroll to lower the gun. Characters: Erroll Babbage, Allison Lowry
Location: Unspecified
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Erroll Struggles to Let Go — Erroll struggles to release his belief that Harriet remains in danger as Allison reminds him he did his best. Characters: Erroll Babbage, Allison Lowry
Location: Unspecified