Episode 4 "Hierophant Unbound"
Having escaped from the brig and reclaimed his breathing apparatus, Salazar Strega manages to detain Josie, sabotages the engine room to distract Hooper and takes command of the S.S. Beatrix, steering it toward a more sinister destination--the sunken city of R'leyh. And when pitted alone against the crazed hierophant, Santiago stands to lose more than just his sanity...