When a woman who is eight months pregnant vanishes before her own baby shower, her family begins a desperate search. As detectives struggle to unravel the chilling mystery, they wonder: is it a missing persons case, or something far more sinister? Derrica and Natalie Wilson of the Black and Missing Foundation step in to advocate for answers.

INTERVIEWS WITH: Derrica & Natalie Wilson (Co-founders, Black and Missing Foundation), Detectives Jill Beauregard and Terry McLarney, FBI Agents Summer Baugh and Patrick Dugan.

The season 33 premiere of Dateline investigates the case of a young Ohio woman who vanishes one summer night prompting her community to conduct a massive search. When she's found dead, investigators question her friends and family to uncover her killer.

INTERVIEWS WITH: Ally & Dave Markham, Investigator Paul Newton, Reporter Karin Johnson.