Nat’s mom has sold the family house so they will have enough money to board Smokey, their pony, at a nearby stable. Although Nat’s overjoyed about keeping Smokey, he’s not too sure if the new apartment is going to be like a real home.
The move has brought a lot of changes, with Nat’s big sister, Cid, smoking and hanging out with tough new kids. Smokey’s new stable is great, and Queenie, Nat’s little sister, has fallen under the spell of English riding.
But not even Smokey can take away the pain Nat feels knowing his father won’t be coming back, as he secretly plays with his dad’s old rifle, which he found before the move. It’s when Nat’s mother becomes sick, and he and his sisters find they may be removed by the social services agency, that Nat take things into his own hands. With Smokey’s help, Nat sets off to find his father