Nameless Poison - Season 1
1 - 28 Years of Darkness - The Sisters' Secret and the Mystery of Their Father's Death
Air Date: July 8, 2013
2 - Recollection of Memories from 28 Years Ago - The True Identity of the Kidnapper
Air Date: July 15, 2013
3 - Elder Sister's Poison, Younger Sister's Poison - The Kidnapper Who Disappeared and the Second Victim
Air Date: July 22, 2013
4 - Father and Mother are Criminals - A Mysterious Threatening Call from the Perpetrator
Air Date: July 29, 2013
5 - Final Episode Part I - The Shocking Poisonous Conclusion - A New Murder Case Begins
Air Date: August 5, 2013
6 - The Mystery of the Random Serial Poisoning Case and the Terrifying Stalker
Air Date: August 12, 2013
7 - The Two Women's Dispute over Inheritance…Is the Culprit the Daughter or the Mistress? The Stalker Looms
Air Date: August 19, 2013
8 - Poisoned! 5th Incident Occurs...Suspects Narrowed Down to 3
Air Date: August 26, 2013
9 - A Father’s Confession…The Stalker’s Tragic Past! The Mistress’ True Identity!
Air Date: September 2, 2013
10 - Final Chapter~The Shocking Confession of the Real Murderer! The Stalker’s Fangs Attacks the Sugimura Family!
Air Date: September 9, 2013
11 - Final Episode ~ Protect the Family from the Stalker! Sugimura Counterattacks!
Air Date: September 16, 2013