During a nighttime of 1989, in the center of the Salvadorian civil war, six Jesuit priest be murder at the UCA University. The intelligence has an immediate international reverberation since their part was key in the foreseeable peace understanding after a decennary of bloody war. Who kill them? The authorities instantly blame the guerrilla but an eyewitness debunk the official version. Her name is Lucía and she work as a cleansing employee at the UCA. She has see who be the existent killer: the regular army. Now she will have got to take between testify for the truth or protect her household.