Ambitious New York events planner Kelly is one of the best in the business. But when Joe, a stubborn, but influential website editor, hires her to organize his niece's birthday, Kelly soon realizes that she may have met her match.

Kelly is very successful as an event planner and is looking forward to a possible promotion. However, this promotion depends on whether she can organize a successful children's party for the niece of Joe, the influential editor-in-chief of one of New York's lifestyle websites. This might be a challenge as Kelly doesn't usually handle children's parties, and her first interaction with Joe wasn't particularly positive. Nevertheless, Kelly takes on the task with her usual energy, and to succeed, she receives assistance from Joe in getting to know his niece.