Sophie suffocates in a cold, sterile marriage to Timothy, an aloof university academic obsessed solely with research publications. Seeking to revitalize their marriage, she agrees to a mountain camping excursion accompanied by Timothy's athletic younger brother Leo. When a torrential rainstorm confines all three to a solitary tent, the physical closeness ignites an uncontrollable chemical spark between Sophie and the bold younger athlete.
Their hidden trysts migrate from mountain creeks into the secluded rooms of the family villa whenever Timothy departs for academic conferences. The stakes turn explosive when Sophie tests positive for pregnancy just as Timothy innocently hires Leo as their live-in property manager. Living under the same roof with her lover and oblivious spouse, Sophie must guard her secret before paternity suspicions tear the household apart.
