Os Gritos do Silêncio conta a história real de uma amizade entre dois jornalistas, um americano e um cambojano, durante a sangrenta tomada do Camboja em 1975 pelo Khmer Vermelho, que levou à morte de 2 a 3 milhões de cambojanos durante os próximos quatro anos, até regime que Pol Pot foi derrubado pelos intervenientes vietnamitas em 1979.
The story of a soldier faced with mission of executing prisoners in an unspecified place and time. The film follows a hot summer day in the life of Džoni, a twenty-year-old recruit, who is sent to an abandoned farm on an unknown mission. The soldiers wait to battle unnamed terrorists, but instead, a bus full of prisoners arrives to the barracks. The commander orders the soldiers to execute the prisoners. At first, Džoni is shocked by the cruel killings, but as more prisoners arrive, he begins to enjoy the executions.