The FBI rescues a girl who was kidnapped. Fifteen years later, she joins forces with FBI agent Frank Novak, the man who saved her on that fateful day, in an effort to find a young girl kidnapped from her school.

The team are faced with multiple missing persons' cases. This time, three female college students - Zoey Price, Amy Holt and Jenna Tucker - request rides through a popular app, but they never make it home.