Blood Bank (2005)

Des, a woman with aplastic anemia, relies on weekly blood transfusions administered by Emma, a medical technician at the blood bank. One night, Des is mugged by Cleto. While searching her belongings, he finds her diary and becomes fascinated by her life. He begins to stalk her, eventually discovering her need for regular transfusions at the blood bank. Cleto decides to donate his own blood, seeking redemption for his crime and for past offenses. At the blood bank, he also forms a connection with Emma.