Heart in Crisis — Lynne Collins

Intent on following in her father's footsteps, Venetia Keen was delighted to get the junior registrar post with consultant cardio-thoracic surgeon Rogan Linnie. Less delightful was meeting the senior registrar, Tyler Petrie, who had plainly already met her sister Vanessa. Tyler knew something odd was going on; having been away in Australia for some time, he hadn't been aware the sisters existed, or that they looked so alike! And having so thoroughly upset Venetia, how was he going to persuade her they might have a future together?