Enrique kills a man for stealing him a check he has received due to an accident. However, things get complicated because it had not yet been cashed. This will force him to try to forge the signature and eliminate any suspect, including his girlfriend Clara, who works in a law office and who talked him about the check. Police tracks the case, but by chance Pedrito, the police inspector's son, is also investigating on his own.
A young woman is stabbed in a bar frequented by criminals and her boyfriend is arrested as the main suspect. However, when the girl finally dies, they assign the case to a commissioner, father of the detainee. He will discover that behind the crime is a dark network of blackmail and drugs.
The prestigious composer Virgilio Delise, suspected of being involved in the death of his stepfather, unexpectedly runs away. Doria, an ambitious insurance detective, will stop at nothing to prove his guilt.
