Jin-sook and her husband, Sang-shik, a truck driver, have three grown children, Eun-joo, Eun-hee and Ji-woo. Jin-sook has a family meeting and announces that she wants her kids to move out.

Eun-hee opens up to Chan-hyeok about the accident. Soon she receives a call that her father is missing; Ji-woo calls the police.

Chan-hyuk goes to meet Eun-hee at her office after receiving a text about her new boss; Sang-shik returns home from the hospital and acts differently, which worries Jin-sook.

Jin-sook and Sang-shik go to the Ulsan Factory for work; news of Sang-shik's suicide attempt shocks Eun-joo and Eun-hee; Tae-hyung goes to New Zealand.

Sang-shik and Jin-sook set out to look for Young-shik; Eun-hee tries to comfort Eun-joo as she struggles to deal with Tae-hyung's secret; a drunk Ji-wook tells Chan-hyuk about Eun-joo's father.

Eun-hee follows the clues left by Hyo-seok to find Tae-Hyung; Sang-shik lies and says that his memory is back, but is left confused when he starts remembering pieces of his past.