New BBC drama The Jetty debuted on Monday evening, with Jenna Coleman starring as the detective of the crime series. However, fans complained just minutes into the episode as they pointed out constant “mumbling” and noted they were “struggling” to follow the narrative and direction of the opening episode. A BBC synopsis for the drama reads: “When a fire tears through a property in a scenic Lancashire lake town, Detective Ember Manning (Jenna Coleman) must work out how it connects to a podcast journalist investigating a missing person cold case, and an illicit relationship between a man in his …