CSI Crime Scene Investigation

While Mac dines at his local breakfast spot, a gunman opens fire, leaving a waitress critically injured and a man dead, and Mac having to choose whether to chase after the suspect or save the life of the young woman.

The CSI's offices have relocated to a Manhattan high rise which includes new labs with state-of-the-art technology. After expressing his interest in moving out of the coroner's office, Dr. Hawkes joins the team in the field.

When residents of New York City cannot reach the police when calling 911, the Cyber team realizes this is an airborne computer virus that is infecting cell phones and must find the hacker responsible. Also, D.B. meets a woman after responding to a mistaken text sent by her.