Zhi Ang sinks into despair and starts hanging out with the wrong crowd after his mom passes away. Despite the concerns that Li Xia and the others show him, Zhi Ang continues to push everyone away. Meanwhile, Zhi Ang's dad tells Xiao Si to look after Zhi Ang while he's away on a business trip. When Xiao Si sees Zhi Ang wasting his life away and drowns his sorrows in alcohol, he decides to take matters into his own hands. (Source: Viu)