Joanna was originally the daughter of the Moro family, the first family in Europe. She hid her identity for love and married the young master David of the Kerr family. To help David realize his dream as a designer, Joanna disguised herself as David's agent and established a fashion company for him. At a party, Joanna was tricked by David's childhood friend Vivian into drinking a spiked drink, almost compromising herself. In this moment of crisis, a man saved her.