The movie begins with Julieanne, a hard-working businesswoman, getting ready for a Masquerade ball held by her boss, Mr. Bradley. Julieanne, who is fed up with her mundane job, decides to attend the event in hopes of finding a new job prospect. At the ball, she is mistaken for her boss and is approached by a wealthy businessman, Tom, who is eager to discuss business agreements with Mr. Bradley.
Julieanne, sensing an opportunity to advance her career, decides to continue the ruse and impersonate her boss over the Christmas holidays. Tom, who is oblivious to the ruse, is charmed by Julieanne's wit and intelligence, and the two quickly develop a rapport.
As Julieanne and Tom spend more time together, they realize that there is an undeniable attraction between them. However, Tom's true motives are soon revealed - he is planning to buy out Mr. Bradley's company and merge it with his own. Torn between her loyalty to her boss and her feelings for Tom, Julieanne finds herself facing a difficult choice.
In the end, Julieanne decides to come clean about her identity to Tom, who is impressed by her honesty and integrity. Moved by her confession, Tom reveals that he has developed feelings for her and asks her out on a real date. The two share a magical moment at a beautifully decorated Christmas tree, and they confess their love for each other.
The movie concludes with Julieanne finally finding the courage to quit her dead-end job and pursue her dreams, with Tom by her side.