Manhattan's wealthy Upper East Side has its own rigid code of behaviour. One strictly adhered to by the Wilder-Bingham family.

Emotional displays - unacceptable.
Unruly behaviour - definitely not welcome.
Fun - no thanks.

So when Rosie Kitto, an eccentric primary school teacher from England, bonces into this fortress of restraint with a heart as big as the city, the family quickly discovers that she hasn't read the rule book. After a lifetime of saying no, what happens when everyone starts saying... yes?