The following contains spoilers for The Staircase (2022) Episode 5, “The Beating Heart” (written by Antonio Campos, Aja Gabel, and Emily Kaczmarek, and directed by Leigh Janiak). The Staircase Episode 5, “The Beating Heart,” tells the audience about Michael Peterson’s (Colin Firth) life in jail after the verdict and his developing pen pal relationship with Sophie […] More