被裁員的台幹阿國回到台灣,和找不到工作的女兒巧寧在同個屋簷下生活,彼此隱滿,只是想維繫得來不易的幸福快樂。阿國靠著假扮記者,騙吃騙喝,巧寧每天打詐騙電話,混口飯吃,當彼此的謊言被揭穿時,他們要如何面對……Facing an existential threat that could bring down the Crime Lab, a brilliant team of forensic investigators must welcome back old friends and deploy new techniques to preserve and serve justice in Sin City.