A changing climate brings heavy rains to West Texas and gives river guide, Robbie Ducharme, the opportunity to take his clients down a never-before-run desert arroyo.

The landscape they enter, the people they encounter, and the relics they find, give these modern-day explorers the thrill of a lifetime. They also threaten Robbie’s relationship with the woman he loves and the life of the assistant he admires.

In Solitario—The Lonely One, John Manuel asks if we are right to be bold with our lives and the lives of others when the potential rewards are great - or are we venturing where we should not tread?