After years of battling leukemia, Kelsey Bishop found hope, and life, under a red cap. In the midst of her recovery, the 29-year-old Gainesville resident was on a trip to Denmark. She learned the German man who had donated the bone marrow stem cells she needed for treatment was also vacationing nearby on the Baltic Sea coast, a short ferry ride away. They arranged to meet; he told her he would be wearing a red cap.