本剧以家族情仇与时代情怀为主轴，剧情叙述一场突如其来的意外，让「五秀园」的传奇厨神总舖师万里师(刘汉强 饰)蒙冤身亡，爱女(王乐妍 饰)坠海失踪，昔日并肩打拼的四位弟子: 大师兄(窦智孔 饰)二师姐(星卉 饰)三师兄(谢承均 饰)与小师弟(王振复 饰)也因此分崩离析，曾经名噪一时的五秀园成了无法回首的过往。然而，25年后，尘封的秘密即将重现，恩怨情仇再度捲土重来，一段段亲情与背叛交织的故事，将牵动所有人的命运…
卢瑟·斯旺医生（伊恩·萨默海尔德饰）进入了一个极度恐怖的世界，一种神秘的疾病把他最好的朋友迈克尔·费恩（艾德里安·霍姆斯饰）变成了以其他人类为食的凶残掠食者。随着疾病的扩散，越来越多的人发生变异，社会分裂成两个对立的阵营，使得正常人类要对抗越来越多的“吸血鬼”。斯旺与时间赛跑，以试图弄清事情的前因后果，而费恩则逐渐崛起，成为吸血鬼一派强大的地下领袖。
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.
12月30日，無線電視新劇《食腦喪B》在香港將軍澳電視城舉行演員造型記者會，藝人江嘉敏、何廣沛及陳曉華出席為劇集宣傳。江嘉敏在劇中飾演紅斑狼瘡症患者，至於陳曉華飾演KOL，各自跟何廣沛都有感情線。何廣沛以喪屍造型現身，他稱自己暫時是劇中唯一喪屍。
