Lady Rattanawadee, sister of Taan Chai Puthpreecha, embarks on a European tour with her nanny. Danai, her brother's close friend, is supposed to be their guide but is nowhere to be found. Furious, she goes to his house and mistakes him for his driver. Danai plays along and offers to guide the tour. Along the tour there is mixture of sadness and happiness, but love is beginning to grow in the Lady’s and Danai’s hearts.