讲述企业家富豪的傲慢女儿Talitha Campbell因为其同学Hannah Ellis失踪而成为被告，Hannah的母亲是个勤奋工作的单亲母亲。剧集将描述由逮捕到判决的过程，期间因为贫富差别、政治、偏见等因素令此案成为国家级注目程度的案件。

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 the makers of Vigil, 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 Tal...