A Las Vegas team of forensic investigators are trained to solve criminal cases by scouring the crime scene, collecting irrefutable evidence and finding the missing pieces that solve the mystery.

A year after the murder of her sister Zoë, Echo is determined to uncover the truth. With Zoë's diary as her guide, Echo finds herself pulled into the darkness of her sister's secret life and she uncovers how one small decision can lead to tragic consequences.

Two twenty-somethings move to San Francisco to chase their career, but end up chasing tail instead.