A car accident involving his father revealed a secret that had been sealed for a long time. After his father was hit on the head, his temperament changed drastically. When the conflict intensified, his mother became depressed and became ill after learning the truth, causing insomnia. With the passing of grandparents one after another and changes in mother's family, both of them gradually choose to let go of the past, and the past is like smoke.
Intention: reality