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Every now and then a trial starts which grips the nation, placing victim and accused - as well as their families - at the heart of a media storm. Showtrial focuses on one such case, when Talitha Campbell, the arrogant daughter of a wealthy entrepreneur, is arrested following the disappearance of fellow student, Hannah Ellis, the hard-working daughter of a single mother. From Talitha's arrest to the jury's final verdict, Showtrial switches between both sides of the legal battle, as defence and prosecution fight for their version of what really happened to Hannah, and the truth about Talitha: falsely accused? Or callous murderer?