1. Episode 1

A family are found dead in an Essex farmhouse. Police initially suspect a murder-suicide, until the surviving son's behaviour starts to raise eyebrows

3. Episode 3

Jeremy's relationship with his parents comes under the microscope, revealing possible motives for the murders. The tabloids hunt his girlfriend, Julie.

4. Episode 4

Bamber is imprisoned for life, but decides to challenge his verdict and clear his name. A band of campaigners and internet sleuths support him.