The guilty deserve what they deserve? Are the innocent really unrelated? Four criminal cases that shocked the society, four unpredictable struggles of human nature, love, hate, greed and resentment, what mistakes did they make? What was the sin? What is the truth? What do you choose to believe? The drama is inspired by four real cases in Taiwan. The four unit stories include: "Derailment": starring Feng Shaofeng, Lin Yuxi, Xue Shiling, Shi Boyu, directed by Golden Bell Award-winning director Xiao Lixiu; "Life and Death Dilemma": starring Wang Bojie and Li Mingzhong, directed by Hong Zixuan; "Under the Black Tide": starring Fu Mengbo, Cai Fanxi, Li Peiyu, directed by Xu Ruiliang "Evil Gravitation": starring Chen Yiwen and Song Yunhua, directed by Golden Bell Award-winning director Fan Yangzhong.