Sin, a spoiled boy, never realized the importance of self-dependence and had become an irresponsible man. One night, he went out and got into a fight in a nightclub, and ended up being attacked. Once he came to consciousness, he found himself tied up. Lud, a middle-aged man, had lost much of his hearing due to an accident in his early childhood. He came from a rural area with his wife and young daughter to be a motorcycle mechanic in Vientiane. Though Lud's life was not extravagant, his family was warm. However, one day, Lud unexpectedly faced the greatest loss of his life. The pain from the loss was overwhelming, and he sought revenge. Lud and Sin were doomed to share the destiny, which would change their lives forever.