A gang member is attracted to a beautiful young woman, but approaching her only causes problems that will be difficult to solve.
Young woman elopes with her fiancé; during their honeymoon, things happen that cause them to be separated, and she finds herself alone in a big city with no resources to fall back on.
The discovery of a human torso thrown into a waterway, leads the viewer to observe the work of modern criminology and the task of special agents to track and record the psychopath's mentality through the elucidation of techniques present in the reality of the police investigation.