Relentless Season 2 is yet to be announced by Discovery+

Fontana attempts to process the shocking loss of her friend. While in Hannibal, she must confront rumors about Christina Whittaker's family that can no longer be swept aside. The most promising lead yet sends Fontana to one more dig, but will she uncover the truth about what really happened to Christina Whittaker?

Fontana looks for answers after police do not pursue leads she has shared with them. Meanwhile, Fontana discovers dark truths about Christina Whittaker's past as she digs deeper into the family. Then, a devastating event blindsides everyone.

Fontana shifts her focus to a new lead: the head of an organized crime group who may hold the key to Christina Whittaker's whereabouts. When a rogue search turns up possible evidence, Fontana isn't sure who she can trust - especially when shocking allegations about local law enforcement come to light.

Fontana unearths Hannibal's secrets and confronts a suspect in the case who seems to be dangerous.

Fontana gets closer to Christina Whittaker's mother, Cindy, to find out what she might be hiding.

A filmmaker joins the search for a missing girl from Hannibal, Missouri, in a race against time.