Pittsburgh, Pennsylvania. With people finding it hard to like him, grizzled widower Otto Anderson has earned a reputation for being the neighbourhood's irascible, unbearable old grump. But what do they know? And then, just when life seemed to have lost its meaning, sunny new neighbour Marisol and her family move in across the street, interrupting the short-fused curmudgeon's secret plans to go out with a bang. And as the undaunted newcomer's generosity and compassion wear down the frigid misanthrope, melting his ice-cold heart one act of kindness at a time, a question emerges. Is Otto the grumpiest man in America?—Nick Riganas