In Wilmington, Delaware, 11-year-old is abducted from a public park after an argument with her mother during soccer practice. The BAU is called in 20 hours after the disappearance—a critical delay caused by local police initially believing she was with her non-custodial father. The Investigation

The team operates under the grim statistic that 75% of abducted children are killed within three hours, and virtually all are dead within 24 hours.

Defying standard legal procedures, Gideon breaks into Curtis’s house without a warrant. Billie is eventually discovered alive, hidden in a central air vent in the attic.