The murder trial of Karen Read begins and jurors hear testimony from witnesses at the scene where they found John O'Keefe's body; outside the courthouse, Turtleboy advocates for Karen's innocence.

As the trial continues, more details emerge about allegedly sloppy evidence collection, conflicting testimonies, manipulated video footage and baffling DNA results; Karen's team suggests a conspiracy and cover-up are at play.

The jury hears testimony about Karen's alleged affair, scandalous texts, mysterious butt dials and conflicting Google search timestamps; the conflict in Canton grows.

As the trial winds down, experts attempt to recreate John's death, the defense brings in one final witness and closing arguments grip the nation; Karen, emotional after a long haul, anxiously awaits her fate; the jury returns with an unexpected note.