The document summarizes key elements of the short story "Three Skeleton Key" including plot points, literary terms, and comprehension questions. It discusses how the rats first get inside the lighthouse by eating through the door. It also notes that one of the strategies used to rescue the three men from the island was having the crew tempt the rats onto a barge filled with meat and then setting it on fire. In the end, one man returns to the key, one goes insane, and one dies.