Watch Return Season 1 Episode 20 : Variable

1. Tell Me What You Want 2. How Could She Suddenly Be Dead? 3. You Are Under Arrest 4. I Erased It 5. Why Are You Avoiding Me? 6. I'll Tell Them the Truth 7. We Found His Car 8. We Must Run a DNA Test 9. The Flock of Ducks 10. Tailing 11. Joon Hee Is Alive 12. We'll Pay Him 13. You Talked to Him? 14. I Refuse to Answer 15. Not Guilty 16. What Is That Key? 17. It Doesn't Make Sense 18. I Have a Bad Feeling About This 19. Another Guest 20. Variable 21. Please Find My Daughter 22. We Were Being Punished 23. People Must Be Punished for Their Crimes 24. What Do You Want? 25. Think Long and Hard 26. You Must Live 27. I’m Going to Do It My Way Now 28. I Wanted to Let You Cry 29. I Know Your Plots 30. You Are Not Choi Ja Hye 31. We Are All the Same 32. Let’s Put an End to This 33. Is This Your Version of Revenge? 34. The Last Victim