After an explosion destroys a crime scene, Carrie's memories become essential to the investigation.

Al and Carrie investigate the murder of a teen who seemed to have no enemies. Meanwhile, Carrie looks to her estranged aunt for help with the investigation into her sister's murder.

When a key witness in his murder case vanishes before testifying, Al scrambles to find her before the suspect walks free.

When Carrie’s latest case is stalled by a powerful family’s influence, she receives assistance from a lawyer who may be the mysterious caller who orchestrated a series of sniper attacks.