The plot centers on a family in Martinique, France, who transition from their everyday life existence to the criminal world following the passing of their mother.
When Joni was 14, her best friend Gracie Darling disappeared during a séance. Some 27 years on, the local kids in a small town get their kicks with a game of ‘Playing Gracie Darling’ – but the seemingly innocent game turns sinister when another girl disappears. Joni, by then a child psychologist, returns to the town and partners with a police sergeant Jay to uncover the truth, while Gracie’s sister Ruth faces a mother’s worst nightmare when her own daughter vanishes under hauntingly similar circumstances.
民国乱世，孤儿来福（高凯 饰）因家族被“狐仙灭门”流落江湖，在破庙习得异术成为游方术士。十年后，他借破解“黄仙娶亲”案撕开复仇序幕，却卷入神秘未婚妻白小姐（陈美延 饰）的豪门纠葛。哈市诡案连环，迷雾重重，来福同顾警官（张婉琳 饰）联手破局。怎料白府认亲揭开惊天反转灰仙夺舍的幕后黑手竟是当年弑师的周府叛徒！来福联手顾警官捣毁白仙改运邪阵，殊死对决中揭开戏法班主勾结日寇、以五行人魈助敌借运的叛国阴谋。大仇终于得报，来福却决定抛下万贯家财，仗剑走天涯。骄纵白小姐与飒爽顾警官也为了帮助来福继续追寻杀父仇人的踪迹而一同踏上新的征途，可谓五仙诡案化作江湖侠影，血仇终了处亦是情债开端……
他们在一次意外事件中相识，本以为只是彼此生命中的过客，却在不断逼近的危险与真相中，被迫站到同一阵线。当爱与责任、真相与救赎交织，他们必须在“刀刃之上”寻找各自的答案。
主要讲述了了一对母子二十多年来的情感纠葛，儿找母、母寻子的故事，折射出当今社会一些人在金钱和利益的驱动下失去对社会的责任感、家庭的温暖以及亲人的关爱。
