A terrible explosion at a HYDRA compound leaves multiple pieces of shrapnel into Bucky. One is straight through the heart and keeps tarring at his heart. Tony calls in the doctor who took out the shrapnel from his own heart for Bucky's sake. She's one of the best heart surgeons in the world. The problem is she lives in London, England but luckily for the team she's in New York for a surgical convention. Warning: swearing