When a day hike for people 60 and older has to turn back midway through their hike in Sequoia National Forrest, the hiking leader finds himself at the base of the trail without his wife and without his former friend, both of whom had accompanied him on the trail. With the company of an over-eager widow, the man finds himself contacting search and rescue and waiting to see what morning will bring.

A husband and wife find their union put to the test when a mysterious creature begins to hunt them on a mountainside.