Xavier's world is overturned by the sudden arrival of his grandfather. As his colleagues piece together why Zav is such a lone wolf, and a truth about his troubled childhood is exposed, can Xavier continue to keep his personal and professional lives separate?\n\nHanssen fears Gaskell has been avoiding him. When Jac needs their combined expertise on a cross-specialist case, their radically different attitudes toward the patient force Hanssen to question his friend's stability.\n\nWith Leah growing overdependent and overfamiliar, Serena plans to keep her new F1 busy with a notoriously time-consuming patient. But cunning Leah has other ideas.
Source: BBC 1