An archaeologist finds an ancient funeral cave and intact skulls containing jars of bone marrow. When she studies one of the jars back at the lab, she accidentally exposes herself to its contents and experiences a strange transformation.

Two strict Boy Scout scoutmasters decide to prank a third scoutmaster who is loved by the boys. In doing so, they put his authority with the boys into question.

When a middle-aged woman goes on a hike with a man she is seeing, a mastiff attacks the man. The woman wonders whether the dog or the relationship itself is the bigger danger.

When a volcanic eruption impedes their plans to go back home to California, a middle-aged data analyst and his energetic mother find themselves trapped in Iceland, their mutual discomfort toward one another prolonged.

After a man suffers from an accident that requires a futuristic surgery to help him grow his lost brain matter back, he goes on a trip with his two oldest friends through the Sierras. Ridge running across the mountains, he tries to recover the memories and knowledge he lost.

On his morning hike, a fifty-five-year-old man in Indiana encounters a severely injured college-aged woman by her boyfriend. As the police investigation unfurls, the boyfriend tries to use his wealth to shield him from justice.

Two American soldiers looking for work in Honduras decide to make the journey to a nearby port to get new shoes. But as they walk toward the town, they begin to realize that their prejudice about the locals has consequences.

While hiking with his two young children, a man falls to his doom in a cavern called the Bottomless Well, leaving his son and daughter to race to save his life.

Ignatius, a young orphan, develops an unlikely friendship with his bully, Donny, and Donny's father.

A divorced couple reunites at their son's wedding. On their way down to a Hawaiian valley for a short trip, multiple unlucky obstructions prevent them from making it any further.