Tae Heon was fired for not reporting Jung Won's photo.A video of Jung-won sitting next to Eun-chae's body led to a police search of Jung-won's home, leading to her arrest.At the same time, Yin Ying was released.

As Zhengyuan was being escorted to the police station, reporters such as Lu Zhihao surrounded her.At the same time, Woo-jae urgently asked his father to help Zhengyuan, but his father believed that the pressure of public opinion was too great, and only by uncovering the real culprit could the storm be quelled.

Yin Ying meets Woo Jae by chance, who promises to prove that she and Mo Xiulin committed a crime together.Faced with Yoon Young's determination, Woo Jae even knelt down and asked for help.They planned to put the blame on Mou Xiulin in order to rescue Zhengyuan.In exchange, Yoon-young asks Woo-jae if he will marry her.

On the other side, Mou Hengze reconsidered his cooperative relationship with Xue Panhao because his daughter-in-law became a murder suspect.Yin Ying happened to meet Mou Xiulin who was about to leave the country and gave her a clock.Mo Xiulin was grateful and agreed to help Yin Ying hide a knife in the memorial hall where Zhengyuan's father's ashes were stored in order to frame the crime.

As expected, Myung Soo meets Tae Heon by chance and reveals that Mo Soo Lin is about to leave the country.Tae-hyun received an investigation call from the internal police department and received a text message from Seol Woo-jae.When he excuses himself to go to the toilet, Tae Heon escapes from the building.Woo Jae fell into deep thought when facing the divorce agreement and marriage registration form.After returning home, she found Yin Ying lying in the bathtub. Yin Ying showed the form as evidence and secretly installed an eavesdropping application on Woo Jae's phone.Although Yoon-young tries to kiss Woo-jae, he pushes her away and apologizes.

Mou Xiulin went to the columbarium as planned and hid the knife behind Zhengyuan's father's ashes.Zhengyuan in the cell became increasingly anxious, and the police found the hidden knife in time.Taixian rushed to the scene and showed the video of Mou Xiulin placing the knife, thereby reinstating his duties and successfully arresting Mou Xiulin who was about to leave the country.

Later, Tae-heon took Jung-won out of prison and informed Woo-jae.Mou Hengze and Xue Panhao drank tea at the congressman's home and laughed at each other about Mou Xiulin's fate.Jung-won starts a conversation with Tae-heon, who promises to bring Yoon-young to justice and reveals that Woo-jae leaked information about Moo Soo-rin.Facing numerous media, Zhengyuan apologized at the door of the police station, and Lu Zhihao asked her why she fled the scene to keep her position on the 9 o'clock news program.

Woo Jae waited for Jung Won on her way home and took her home.Jung-won fell asleep on the way, and when Woo-jae tried to wake her up, she unconsciously called out Tae-heon's name.

In the interrogation room, Taixian questioned Mou Xiulin and mentioned an entry in her diary in 2009.The camera flashes back to the scene when Mou Xiulin and Yin Ying were young, standing next to Li Nali's body. They lit the Fengtu Chemical Factory on fire, causing a fire.

Tae Heon reveals that Kim Myung Sook's blood stains appeared on the diary, implying that Mo Soo Lin killed the housekeeper because of the diary.Flashing back to the past, Mou Xiulin was fighting fiercely with Kim Mingshu, and Kim Mingshu was stabbed.Immediately afterwards, Jin Shi appeared and stole the bag containing money.

Tae-heon turns the focus to Eun-chae's murder, showing Moo Soo-rim murdering the actress in cold blood through flashbacks.Tae-hyun tries to force Mo Soo-rin to admit that she committed these crimes under Yoon-young's orders.However, Mou Xiulin's shaking and falling to the ground caused the police chief to suspend the interrogation.

The meeting between Yin Ying and Mou Hengze revealed the financial transactions between the two.Yin Ying proudly stated that Mou Xiulin's love for her was not her fault, further highlighting her selfishness and indifference.

As Mou Xiulin refused to cooperate, the police team was in trouble.However, Zhengyuan did not give up. She found Jiang Renhan and tried to unravel the connection between Mou Hengze and the murder.Zhengyuan's intuition told her that Mou Hengze's silence meant that Yinying had his secret.Renhan revealed that Xingze's wife fell down the stairs 13 years ago and became a vegetative state, which hinted that there were more secrets behind the case.

When reporters besieged Mou Xingze, Zhengyuan bravely confronted him face to face.Mou Xingze played a recording of Yin Ying and Mou Xiulin talking about the crime, and revealed the fact that Yin Ying witnessed Mou Xiulin pushing her mother down the stairs.He also showed scars on his body and claimed that he had also tried to kill Mou Xiulin.Finally, he asked everyone to help catch Yin Ying.

An angry Yoon Young then called Mo Hyung Taek and accused him of portraying herself as a victim.After hanging up the phone, Yoon Young started walking towards the lake, thinking about Woo Jae.Meanwhile, Tae-hyun shows Moo Soo-rin a video of her father, and Moo Soo-rin insists that she never tried to kill her father.She is shocked and dismayed to learn that it was Yoon-young who got her into trouble.

Jung-won was attacked by Yoon-young on her way home, who injected her with an unknown substance.