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A person's heart beats fast for a variety of reasons. Some of them are wonderful and optimistic. Others are deceptive and meaningless, and everyone but us can see that. But what can make a cardiologist's heart beat faster? Zedi thought that after almost twenty years of friendship, she knew everything about her friend Emma. She remembers every day of medical school, girlhood experiences and nightly chats. In the past, they had a goodknew each other. Too well. But now that Nick, their former mentor, has returned to their lives, everything has changed. His appearance reminded Emma of the horror that happened to them during their years of study, something that almost destroyed both their lives. In Nick's presence, Emma's heart seems to be leaping out of her chest. Is it out of happiness or fear?