「傳說探秘，引爆恐懼。」玄學大師莊一臣（黎耀祥飾）創立探秘頻道，以香港各處神秘地點作招徠宣揚迷信，探秘話題包括戰時無頭鬼、鵝頸橋神婆、尋找替身的民初女鬼、媚惑男性的狐仙顯靈、鬧鬼片場、屋邨UFO、米婆婆陰間招魂，及可困住三魂七魄的結界…獵奇探秘令莊一臣逐漸走紅；卻遭到剛強正直的打假網紅畢萍（龔嘉欣飾）狙擊，以科學解釋一一破解莊一臣的把戲與技倆！二人鬥氣鬥智鬥力，過程中畢萍慢慢撕開莊一臣隱藏的另一面，原來莊一臣是想借畢萍之手自揭黑歷史，藉此贖罪…
米田正子（松岛菜菜子 饰）是一名在东京国税局资料调查课任职的精英调查官，她创立了新的“复杂国税事案处理室”，专门处理连主部门都难以着手的棘手逃税案件。她招募了一群能力卓越却性格独特、不求升迁的成员，共同对付各类恶意隐匿收入的逃税者。新部门成员各有怪癖，但在米田的带领下，他们运用超强的信息搜集能力与调查技巧，将一个又一个狡猾的逃税分子逼入绝境。剧情以爽快的正邪对决为主轴，展现税务调查官如何凭专业与坚持维护社会公平，让努力纳税的人得到应有的正义。
As Leo's replacement Thomas Chamberlain arrives Nikki investigates the murders of Rachel Freedman, shot in the head, and her little autistic son Nathan, who was poisoned. Nikki rejects policewoman Anne Burchett's theory that Rachel killed them both but is perturbed when an impostor, claiming to be Rachel's sister, visits the morgue. At the same time the disfigured corpse of Eva Liron is discovered, killed with the same poison as Nathan. She had been the nanny to French hot shot footballer Isaac Dreyfus and was planning to blackmail him over a sex tape of them both. Jewish Isaac is a controversial figure due to his anti-Muslim sentiments but he denies ant part in the murders. Then another victim, Isaac's agent Mousa, is discovered dead.
