Elizabeth Burke is a young girl with a rational mind, often called as the Queen of Diamonds. She is a best friend to a young rich boy, Arthur Callaway who is the King of Spades in Clare Valley, South Australia. Just when they begin their friendship, a newcomer named Helen Cliffs comes into town and becomes the Queen of Hearts. The three formed a group and becomes best friends quickly. Arthur then decides to win Helen’s heart without knowing Elizabeth’s feeling for him. Will Elizabeth keep her feeling a secret to protect their friendship? Will she stay true to her feeling toward Arthur?