Twelve-year-old Sarah Stein loves life in New York. Who wouldn't, growing up in a cool TriBeCa loft with an artist dad and a chocolate-maker mom, rollerblading in Central Park, hanging out with friends? That is, until the day her parents tell her they're divorcing. Forced to shuttle each day by bicycle between their separate residences on either side of the Brooklyn Bridge, Sarah soon discovers that the parents she thought she knew are as opposite...