"Broken Heart" is the third book in the Stalford Sisters Series. Lady Emily has decided to end her tumultuous relationship with William for good. His affairs and unpredictable behaviour have become unbearable. However, with Luke's return to Donbar Castle, Lady Emily is terrified that her secret will be revealed. If it comes to light, she risks losing everything she holds dear. With the arrival of the charming Mr. Kelly at Donbar, Lady Emily wonders if he might be the one to save her from all the heartache she has endured.