A Ray of Sunshine(1979)

Sashko and Tanya are two lovers who want to go on a holiday at the seaside. In order to earn money, Sasho starts working in a brigade digging a well in the yard of Chief Krumov's villa. The workers accidentally discover the remains of human skeletons, a tin ring and several buttons, most likely belonging to participants in the September Uprising of 1923. To avoid complications, everyone decides to keep quiet. However, Sashko decides to break his silence and tell the truth, for which he pays with his life.