Season 20, Episode 09 — Awakening (1)
Nikki travels to Mexico when her friend is killed in a carjacking, but she soon makes a discovery that sets her on a collision course with some dangerous and unpredictable forces. Thomas sends Jack to bring Nikki back, but soon he is knee-deep in the unfolding situation.
Silent Witness originally followed the work of forensic pathologist Dr. Sam Ryan, played by Amanda Burton. In 2004, Burton left the series and Nikki Alexander, played by Emilia Fox, joined Dr. Leo Dalton (William Gaminara) and Dr. Harry Cunningham (Tom Ward) on the forensic pathology team. The series was created by an ex-police officer, Nigel McCrery.