Respire (2010)

The Ancient Romans believed that the soul escaped one's body with the last breath. It was believed that last breath held the power to cure disease and prolong life. In 1930's, Dr. Robert Kaminsky devoted his life to finding out how to harness the power in the last breath. Susan Jordan owns a local novelty shop. One item in her shop, an antique box once owned by Doctor Kaminsky, draws the interest of two men: Raif Collins who hopes it's contents can save his dying sister, and Alex Poe whose motives are more mysterious. Susan quickly finds herself in a perilous struggle to protect the box and the secrets that it holds.

Source: TMDb