2019
S02E13 finale
A former CIA operative (Cumming), who has since built a "normal" life as a gifted professor and writer, is pulled back into his old life when the NYPD needs his help to stop a serial killer on the loose.
Lizzie and Dylan work a case that provokes deep emotions for them when a 9-year-old boy goes missing on the eve of a judge's decision in a bitter custody battle. Also, with Dylan's help, Lizzie confronts some of her past childhood demons, and a major advancement presents itself in Dylan and Andy's adoption search.