Trapped inside a fortified home owned by a mysterious couple, an impoverished young boy is suddenly thrust into a nightmare.

After a fight at school leaves Marcus facing suspension, Marcus's mother takes him and his younger brother, who has Down syndrome, to Puerto Rico to visit relatives they do not remember or have never met, and while there Marcus starts searching for his father, who left their family ten years ago and is somewhere on the island.

Fifth grade is not for amateurs, according to Liam. Luckily, he knows that being more than one-third nerd is not cool. Liam lives in the Bay area near San Francisco with his mom and two younger sisters. Dakota is fascinated by science and has a big personality but struggles to make friends; Izzy, a child with Down syndrome, makes friends easily and notices things that go past everyone else. Dad lives across town, but he's over a lot. And then there's...