Episode 4

Drama series about the staff and patients at Holby City Hospital's emergency department, charting the ups and downs in their personal and professional lives.

Max is the new on-board doctor for a luxury cruise ship where the staff works hard and plays harder. It's all hands on deck as Max and his small but mighty medical team navigate unique medical crises and each other, miles from shore.

From athletes and actors to tattoo artists, social workers and musicians - a diverse mix of teams will need to utilize their street smarts and savvy know-how to compete in the race of their lifetime.

48 Hours is a CBS news magazine that investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening -- and resolution -- of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart. The program and its team have earned critical acclaim, including 20 Emmys and three Peabody Awards.

Lucy Worsley investigates the mysteries of some of the most infamous and brutal chapters in British history, finding new witnesses and compelling evidence. What will she uncover?