Mitó lives in a small village and is the son of the local Comunist Party leader, she is 18 years-old and is about to graduate from the high-school she must attend at Beja - the nearest town. News that she killed her German boyfriend, at 4 a.m. on a desert road, do not excite much the editor of a Lisbon newspaper. He sends in a tyro reporter, Joaquim Peixoto, just in case. The young man, already considered hopless in his profession, will uncover more than a sex scandal to be used for political purposes.