It’s time to celebrate Sabrina Alverez and Lacey Anderson’s twenty-first anniversary climb atop Moro Rock in Sequoia National Park. Sabrina has overridden her fear of heights to please her girlfriend, at least for this yearly excursion, but she wonders if Lacey, an adventurous park ranger, has lost her mind when she suggests they make love once they get there. What Sabrina doesn’t know is what other risky pursuits Lacey has up her sleeve.