McPherson’s explanation regarding the lighthouse is suspect, though Teddy lets it go for the time being. Meanwhile, Dr. Cawley and the warden’s living quarters demonstrate their superiority over everyone else on the island. Additionally, this passage marks Teddy’s first interaction with one of Shutter Island’s patients and, like everything else in this chapter, it is quite ominous. Of course, given the woman’s presumed mental state, her gesture could mean anything. Regardless, it is an intense and frightening image.