Part One: Helen
Helen tries to get answers from Whitney about what really happened at the party. Whitney says that Helen is awful for always taking her father back.
Helen then realizes Noah has left and goes to get him. He's at his home. She sleeps. They wake up and start looking for Whitney's birth certificate.
Helen finds the letter Noah wrote her the night before their wedding. She tears up, they argue. Helen leaves again in Sasha's car.
Part Two: Helen
Helen picks up a pregnant husband and wife along the way down the canyon, but she realizes traffic is backed up and that there is nowhere to go.
Noah arrives and tells her they need to go off on foot or there's a good chance they'll die. She leaves the married couple intthe car and they make a beeline for the woods.
Part Three: Helen and Noah
They come across a cliff and Noah says that movement is life and that they need to keep moving if they want to survive.
Helen struggles but with Noah's pushing, she makes it. They escape the wildfires, but Helen gets bitten by a rattlesnake.
When she wakes up at the hospital, they refer to each other as "friend."