Question: At the end of movie there is a 2 story building with a porch and a small boat or canoe next to it, Where is that building?
Question: Why is Gerry in high school at 11?
Answer: Could be he was smart and was advanced several grades. Could be a combined middle school/high school that's just called a high school.
Question: What happens to Annie and Trixie or even Lawanda? How come they didn't appear in this film?
Answer: It's never explained what happened to them or why they never appeared in this film.
Answer: It was an abandoned boat house, a storage place for marine equipment. Oars, nets, fishing gear. Since it was winter, the hit man knew nobody would be there.