Kittens dream

Context: Until I was almost 17, we lived in an apartment complex where each building was divided into 2-4 sectors horizontally, and there was a (creepy) basement level running across the entire bottom of the building, with stairs leading down there from the first floor of each sector. There was also a railroad running on an incline across a stream parallel to the entire complex.

In the dream, we lived in the biggest building in the complex (with 4 sectors); however, our family was a lot bigger and we also had a lot of cats and kittens (and one tiny puppy lmao). Basically, I was prowling around the creepy basement levels doing shady shit (like stealing and breaking into stuff, cuz thats who i was in my dream :p), and found that there was an underground library section connected to the basement, also divided into sectors horizontally. Apparently this library was open for use by the residents and somehow I just didn't realize, but the section below Sector 4 had something horrific being done there, and no one ever returned from there. Also the entire library had ominous ambient noise in the background, but the other residents either didn't notice or just accepted it as part of the environment. Sections 1-3 had a lot of interesting things and...individuals though. Eventually I realized that something horrible was being done to the residents of this complex, and it related to the library and Sector 4 in particular, so we decided to evacuate immediately. Of course, residents were allowed cars to maintain an illusion of normalcy, but cars with functional trunks were NOT allowed. Fortunately, we hid the fact that our trunk was functional and BIG. Anyway, we all ran to our car, and required multiple trips cuz of how many pets we had. I was terrified of the idea of leaving one of our kittens behind for whatever horrors were going on here. As we made our trips from the car to the apartment and back, we could see a looooong train moving along the railroad, and knew that when that train arrived at its destination, they would come for us. Thankfully we got ALL of our pets into the trunk; on our last trip, the train was nowhere in sight so it must have arrived but we got into the car, avoiding some of the other residents (who were secretly agents for the Bad Guys) and drove out of there. I woke up before we got out completely, but it was clear we'd make it out :3