A Bullet Through the Heart (French: Une balle au cœur, Greek: Μια σφαίρα στην καρδιά), released in the United States as Devil at My Heels, is a 1966 Franco-Greek crime drama film directed by Jean-Daniel Pollet.

Holding an old resentment against Montelepre, a Sicilian aristocratic family, an influential gangster named Rizzardi (Vasilis Diamantopoulos) takes possession of the palace of the last member of the family, Francesco Montelepre (Sami Frey), who he plans to kill.

Stripped of his property, Francesco flees to Athens to find a witness for Rizzardi's crimes so that justice is done.

Meanwhile, he finds love with Anna (Françoise Hardy), a French tourist, with whom he decides to take refuge on an island.

It was released on Region 2 DVD in March 2020 by Les Éditions de l'Oeil.