After stumbling on the Hope Trail, Grace must decide if she wants to start walking it in hopes of finding herself again.

Saree teaches Grace the rules of the trail. Daniel tries to convince Grace to walk with him.

Gabrielle, a former walker, spots Saree and Grace on the trail.

Grace faces an emotional challenge when having to cross a bridge.

Grace is recognized by another walker.

Grace is forced to make a tough phone call. A moment in Sherlock's life is revealed.

Grace must wait for the police to arrive to check in with her. Saree reaches her most difficult part of the trail.

Saree leaves the trail for the first time. Grace sees Daniel again.

Saree forces Grace to make a decision about her future on the trail.

Grace deals with the aftermath of her decision. Someone unexpectedly arrives on the trail.

Grace must decide if she wants to continue walking on the Hope Trail.

Grace is visited by her mother in a dream. Grace spots Saree's tent.

Grace reaches her 100-mile milestone on the Hope Trail. Grace arrives at Dream Lake.

Sherlock remembers the time he asked his wife to marry him. Grace runs into someone on the trail.

Grace and Saree face each other for the first time since Centerbrook. Daniel worries about the repercussions from his relationship with Grace.

Grace arrives in Bittner Park.

Two years earlier, Saree begins the Hope Trail to help her with the loss of her family. Grace continues walking with Daniel.

Grace and Daniel get into one of their worst fights.

Daniel tells Grace why he's truly on the trail. Saree regrets the decisions she's made with Grace and Daniel.

A chase. A new path. A shocking decision. A fall.

Daniel searches desperately for Grace after she jumps off a cliff. Cleo convinces Saree to follow her off the trail to a place that connects to her key necklace.

Daniel and Sherlock begin searching for Grace. Saree continues following Cleo. Grace learns more about the mysterious witch.

Saree questions following Cleo and her connection to her key necklace. The witch confronts Grace about Louis. The Jackal arrives on the trail.

After breathing in some of Cleo's cloves, Saree hallucinates her dead husband. Grace decided if she wants to continue on the trail.

Sherlock and Daniel chase after a boy they run into on the trail. A shocking discovery is made.

The witch tells Grace about the original founder of the trail. In 1904, Hope grieves the loss of her three children. Grace runs into a familiar person.

Peter struggles to survive when he crashes his car into a tree. Meanwhile, Sherlock and Daniel try to figure out where he went. Cleo finally bring Saree to an intriguing place that could connect to her key necklace.

Saree tries to understand the connection between the key she found and the tree of keys. Cleopatra reveals why she was on the trail. Peter confronts Grace about her behavior on the trail.

Saree hears shocking news about Grace. Sherlock faces issues of his own.

The group moves forward in different directions on the trail.