Middle-aged father who converts a mountain house into a lodge. After a hiker's suicide, he decides to bury the body to avoid suspicion. He later argues with his brother, survives a storage fire, and returns bandaged to share a quiet dinner with the family.
The parents cooperate in concealing the lodge's growing evidence.
Dae-goo and Soon-rye work together to conceal and dispose of the bodies, including carrying the undercover cop's corpse and burning the remains.
Their brotherly bond is strained by conflicting responses to the murders.
The plot identifies Chang-goo as Dae-goo's younger brother, and both live with the family at the lodge.
Dae-goo's decisions place his son inside the family's escalating cover-up.
Young-min is introduced as Dae-goo's adult son and later acts alongside him during the lodge crises.
Dae-goo is the family authority overseeing the danger surrounding Mi-soo.
Mi-soo is identified as Dae-goo's adult daughter and remains part of the family living at the lodge.
Mina remains within Dae-goo's family unit as the crisis closes in.
Mina is identified as Dae-goo's adult daughter and is present with the family during the final dinner.
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