The episode focuses on the strain on Chloe and Jimmy's relationship, with Chloe unable to tell him the truth about her situation, foreshadowing their ongoing difficulties.
Dean Cain, who famously played Clark Kent/Superman in the 90s series Lois & Clark: The New Adventures of Superman , appeared as the villainous Dr. Curtis Knox. Key Takeaways & Trivia [S13E13] Cure
Chloe Sullivan (Allison Mack) learns about Dr. Curtis Knox (guest star Dean Cain), who claims to have a surgical procedure that removes meteor powers, effectively "curing" the infected. Desperate to live a normal life with Jimmy Olsen, she schedules an appointment. The episode focuses on the strain on Chloe
The episode reveals Dr. Knox is centuries old, having previously gone by names including Jack the Ripper. Key Takeaways & Trivia Chloe Sullivan (Allison Mack)
It is discovered that Dr. Knox is actually an immortal serial killer who harvests organs from his patients to keep his ageless wife, Sophia, alive.