What challenges do the Society members face during their mission?

The Society members face significant challenges primarily in the form of surveillance, puzzles, and traps set by Mr. Curtain. These obstacles are integral to their mission as they demonstrate Mr. Curtain's strategic and manipulative nature. The environment in which the members operate is designed to test their intelligence, teamwork, and resilience. The various puzzles they encounter require not only individual cleverness but also collaboration, showcasing the unique skills that each member brings to the group. The traps are physical manifestations of the danger they face, emphasizing the stakes of their undertaking. This combination of mental and physical challenges serves to heighten tension and illustrate the ingenuity required to succeed against a formidable adversary.