本剧作为系列作第二季，出现了能看到事物和地方残留情绪的泰国杀人嫌疑犯，这与主人公心野朱梨在父母被杀后能看到别人的彩色情绪类似。警视厅中，朱梨又有了新搭档。然而，找回感情的姐姐失踪了，因为杀害熟人的嫌疑被通缉。为了证明姐姐的清白而继续调查的时候，两个案件交错在一起。能看见人类感情的刑警与能看见物品上残留感情的嫌疑犯，史上空前的感情搜查拉开了帷幕。
许佳佳继承父志，加入社会安全支队，和队员们一起维护社会治安。
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.
KA29航班从杜拜飞往伦敦，在七小时的航程中遭到了劫持，一位有成就的企业谈判代表山姆尼尔森试图利用自己的专业技巧拯救机上的所有人。这种高风险的策略会招来他的毁灭吗？
