故事开始于平安夜那一天，藤原纱织（叶月里绪奈 饰）因为母亲的去世对父亲心生怨怼，父女之间关系非常的疏离。虽然生活富足，但纱织一生都没有感受过亲情爱护，消极的个性令她总是想要自杀草草了却此生。某夜，纱织自杀未遂，得到了名叫小泉（唐泽寿明 饰）的男子的救助才捡回一条命，可纱织却误以为自己的救命恩人是日柳俊辅（高桥克典 饰）。

　　在日柳的介绍下，生活落魄潦倒的心理医生小泉决定治疗纱织的心病，然而，他无法以医生的身份出现在纱织的身边，只能暂时假扮成她的司机，暗中接近纱织。在治疗的过程中，小泉渐渐在纱织的身上看到了自己过世妻子的影子。

Koshiba Seijuro is the assisstant to some influential figure whose daughter was all messed up, and who comes to the psychiatrist Koizumi Santa and asks him to counsel the daughter without her knowledge. Since Santa is a compulsive gambler he's hard up for money and takes the job even though he's queasy about the ethics. Turns out that she's the same girl he took to the hospital nine months earlier when she had passed out drunk on a roof preparing to jump. As it happens she woke up in the hospital and saw Santa's best friend Kusanagi Shunsuke (a surgeon) holding the Santa Claus hat Santa had been wearing (it was Christmas Eve), and it turns into a very complicated love triangle.

自由奔放な精神科医の主人公がお金持ちで容姿端麗だが、性格ブスなお嬢様の心療カウンセリングを引き受け、そこから恋愛模様に発展していくまでの登場人物の「心の傷」を明るく暖かく、時には切なく描く連続ドラマ