《公关》设定在竞争激烈的名人公关世界里，美国危机公关策略师罗宾居住在伦敦，是这一行业的专家，她的工作节奏很快，为行为不端的知名人士提供咨询，但一涉及到自身生活，罗宾就会成为一个自我破坏者。

In 1980s England, Canon Daniel Clement, the Rector of Champton, finds himself unexpectedly entangled in a murder case when a dead body turns up in the church. When Daniel announces a plan to modernize the church, the parish is suddenly divided. And then a body is found dead at the back of the church. As the police move in and the bodies start piling up, Daniel is the only one who can try and keep his fractured community together... and catch a killer.