whoever deserves sin? is the innocent really unrelated? what mistakes did they make in four criminal cases that shocked the society, four unpredictable human struggles, love, hate, and resentment? what sins? what is the truth? what do you choose to believe? the drama inspired four real and strange cases in taiwan. the four unit stories include: "crazy": starring feng xiaoyue, lin yuxi, xue shiling, shi baiyu, and directed by xiao lixiu, the golden bell award-winning director; "life and death dilemma": starring wang bojie and li mingzhong, and directed by hong zixuan; "under the black tide": starring fu mengbai, cai fanxi, and li peiyu, directed by xu ruiliang "evil gravity": starring chen yiwen and song yunhua, and director fan yangzhongzhi of the golden bell award-winning director fan yangzhongzhi bbb。