A hot summer fling or true love? When budding geologist Jessica Sterling arrives to work on her thesis while camping in Washington's Dry Falls State Park for the summer, she shatters park ranger Clare DeVere's hope for an uneventful season. Neither can deny their unexpected attraction, but their secrets make romance impossible Clare's best friend since college, Lyn, works as one of the park's dispatchers, and her long-standing and unrequited crush on Clare grows increasingly obsessive as Clare draws closer to Jess. While Clare contends with Lyn's infatuation and unwanted advances from her womanizing boss, and Jess grapples with her unexpected feelings for a woman, their fiery fling challenges them to confront their pasts.