After Grace impulsively accepts a marriage proposal from Leo, there seem to be a million roadblocks between her and an actual wedding, not the least of which is her best friend Will's unease about the whole idea. Grace's pals, especially Will, are hurt that they weren't invited, but all seems forgiven when everyone--including Grace's outspoken mom and the subdued Mrs. Markus--gather days later for a swank reception. It should be a festive bash, but the emergence of unsettling details about Leo, and about the park nuptials, give Grace reason to wonder whether she has made a mistake.