Season 1
In this story based on Agatha Christie's novels, Ms. Ma shows the dark side of human nature through her cases.
Episodes
1 Do you think I'm that crazy woman? Oct 6, 2018 
2 Mommy's here, Min Seo Oct 6, 2018 
3 A Ghost Saw The Killer! Oct 6, 2018 
4 The Ladies Look For The Mistress Oct 6, 2018 
5 A Mysterious Woman Eun Ji Helps Ji Won Oct 13, 2018 
6 Eun Ji Decides To Help Ji Won Find Lee Jung Hee Oct 13, 2018 
7 Tae Gyu Wishes To Undo His Mistake Oct 13, 2018 
8 Ji Won Pities Woo Joon Oct 13, 2018 
9 A Star Moves Into The Neighborhood Oct 20, 2018 
10 I Will Tell You An Interesting Story Oct 20, 2018 
11 We Have To Find That Out To Make Her Talk Oct 20, 2018 
12 There Is A Murderer In Here Oct 20, 2018 
13 What Are You Curious About? Oct 27, 2018 
14 Do You Think They Are Back? Oct 27, 2018 
15 I Think Writer Ma Is Writer Ma Oct 27, 2018 
16 Who Are You? Oct 27, 2018 
17 Jae Deok Doubts Jung Hee Nov 3, 2018 
18 Eun Ji Finds A Lead Nov 3, 2018 
19 Eun Ji Is Up To Something Nov 3, 2018 
20 Ms. Ma Tries To Persuade Yoo Jung Nov 3, 2018 
21 The Real Ma Ji Won Shows Up Nov 10, 2018 
22 The Game Takes An Unexpected Turn Nov 10, 2018 
23 The Real Ma Ji Won Suggests A Bet On Who Catches The Murderer First Nov 10, 2018 
24 The Bet Is On Nov 10, 2018 
25 Cheol Min Receives A Text Message From His Wife Nov 17, 2018 
26 Eun Ji Finds Out That The Real Ma Ji Won Got Murdered Nov 17, 2018 
27 A Dead Body Gets Found At The Precinct Station Nov 17, 2018 
28 Tae Gyu Gets Closer And Closer To The Truth Nov 17, 2018 
29 Ms. Ma Confronts Yang Mi Hee Nov 24, 2018 
30 Ms. Ma Looks For Evidence Nov 24, 2018 
31 Time Is Running Out Nov 24, 2018 
32 Mi Hee Calls Ms. Ma Nov 24, 2018