Wealthy Moon Joo Ran (Kim Tae Hee) lives a tranquil life as a housewife married to a doctor. Their peaceful existence is shattered when Joo Ran notice…
Joo Ran lives a picture-perfect life with her husband Jae Ho, until a strange smell from the backyard stirs her anxiety. Meanwhile, Sang Eun, trapped in poverty and abuse, is shaken by the sudden news of her husband Yoon Beom's death.
Right before his death, Yun-beom shows up at Ju-ran’s house unannounced and mentions the night-fishing meeting with Jae-ho, and Sang-eun later finds out that Yun-beom was in debt. Meanwhile, Ju-ran ends up discovering fingers buried in the backyard...
"Your husband killed my husband." After hearing these shocking words from Sang-eun at Yun-beom’s funeral, Ju-ran begins to find suspicious traces of Jae-ho one by one. Sang-eun finds a picture of Jae-ho and a strange girl together in a mysterious cell phone that Yun-beom hid, and begins to scheme to blackmail Jae-ho for money.
Ju-ran goes to see Sang-eun and suggests the two of them find out the truth about Jae-ho together. Meanwhile, Sang-eun gets a call from Jae-ho, and as Ju-ran secretly watches the two meet, she is confused about which of the two to believe...
The identity of Yun-beom's murderer is finally revealed! While being with Sang-eun, Ju-ran sees a side of Jae-ho that she has never seen, but she decides to protect her family. However, it turns out there is another secret hidden in her house.
With Seung-jae's confession, Ju-ran discovers the truth behind the strange smell and noise, and even Jae-ho's secret. Her entire life is on the brink of collapse. Meanwhile, Sang-eun uncovers a secret hidden in Ju-ran's house on Yun-beom's phone that she has received from the police.