What is the rising action of cabin fever?

In "Cabin Fever," the rising action builds as a group of friends arrives at a remote cabin for a vacation, where they initially enjoy their time together. Tension escalates when one of them contracts a mysterious and deadly skin infection, leading to paranoia and fear among the group. As they attempt to isolate the infected member, their relationships begin to unravel, and distrust grows, culminating in increasingly desperate and violent actions as they confront the reality of their situation. This escalating conflict sets the stage for the story's climax.