The Secret House

Ji Hwan and Min Young are concerned about their mother's symptoms, and therefore, she visits a doctor.

Tae Hyung's hatred toward Ji Hwan gets even stronger after the interview as he cannot beat him no matter what.

While looking for his mother, Ji Hwan gets shocked to find out that she has been diagnosed with dementia.

Ji Hwan's search for his mother continues. No matter where he looks, it's as if she disappeared into thin air.

Ji Hwan takes care of a new family member. Despite his difficulties, he does his best to look after her.

Both Ji Hwan and Sook Jin look for Kyung Sun, and Tae Hyung receives a citation for catching a criminal.

Mr. Kim from Siheung, who manipulated Heung Sik with the cost of materials, stabs him out of anger.

Ji Hwan rushes off to Taebaek after Jin Ho calls him. However, Sook Jin orders Man Soo to take Kyung Sun away.

Sol must endure great pain. The poor girl's only hope of survival depends on her birth mother's choice.

No matter how different their paths are, a new future awaits for both Woo Ji Hwan and Nam Tae Hyung.

Tae Hee is suspicious of Sook Jin and starts to follow her, while Min Young gets her test result back.

Tae Hyung gets shocked when Min Young shows up in front of his house and spills the beans after nine years.

After visiting Heung Sik, Ji Hwan gets more curious about the relationship between his mother and Heung Sik.

Sang Gu wants to reveal the truth about Kyung Sun's accident, and Sook Jin comes back to see Min Young again.

Ju Hong's father is clearly hiding something from Ji Hwan and Ju Hong. He firmly tries to keep it a secret.

Now that Tae Hyung knows what happened to Kyung Sun, the thought of losing everything eats him up inside.

Tae Hyung promises Min Young that he will take her to where Kyung Sun is, and she leaves a message to Ji Hwan.

Tae Hyung comes back from the abandoned building, but he realizes he left his belonging at the crime scene.

Tae Hyung goes back to the crime scene to find what he has lost, while Ji Hwan also visits the building.

Ji Hwan investigates Min Young's death thoroughly. While doing so, he stumbles upon new facts that shock him.

After Ji Hwan listens to the recording, he shows up at Tae Hyung's house to give everyone a warning.

Tae Hyung and Sook Jin plan another scheme to stop Ji Hwan and Tae Hee from digging into their past.

Ji Hwan loses his temper when he hears the news about his mother, while Ju Hong notices something is off.

Ji Hwan is confused as he receives a phone call from his mother, and Tae Hee gets her test result back.