在这部圣诞情缘剧情/喜剧/爱情片中,梅兰妮·韦尔奇（Ullerup）是一位勤奋的广告主管，她发现自己与紧张的同事多诺万·古德温（O'Connell）合作，为一部新手机制作了终极圣诞广告。使事情更加复杂的是，梅兰妮·多诺万是圣诞老人在年度办公室礼物交换。为了保守身份的秘密，她从圣诞老人发来多诺万的电子邮件来确定他的完美礼物。然而，当多诺万错误地假设另一个同事是他的秘密圣诞老人时，她的计划就停止了，这促使梅兰妮工作，向多诺万表明她是他完美的圣诞老人。
Melanie Welch (Ullerup) is a hard-working ad executive who finds herself teamed up with uptight coworker Donovan Goodwin (O'Connell) to come up with the ultimate Christmas commercial for a new cell phone. To make things more complicated, Melanie is Donovans secret Santa in the annual office gift exchange. To keep her identity secret, she sends Donovan emails from Santa to determine the perfect gift for him. However, her plan comes to a halt when Donovan mistakenly assumes another co-worker is his secret Santa, prompting Melanie to work to show Donovan that she's his perfect Santa.
