In the hazy aftermath of an unimaginable loss, Sarah and Phil come unhinged, recklessly ignoring the repercussions. Phil starts to lose sight of his morals as Sarah puts herself in increasingly dangerous situations, falling deeper into her own fever dream.

A happily married father of two, shaken by a message written in a birthday card for his daughter, abruptly leaves his family for a week-long hike through the Grand Canyon. Following his solo trek, we see his memories of an earlier trip through the Grand Canyon with a different woman.