An exclusive black-tie birthday party. A sprawling mansion with a dark past. A body falling from a cliffside balcony onto the starlit outdoor dance floor. One of the guests is dead, and another is a killer - but who is the hunter and who is the prey? When social status is everything, and there is no price too high for adoration, there is no shortage of suspects: Was it Dani, the tenacious new mother with a history of postpartum psychosis, or Kim, the ex-wife with an alcohol problem? Orlaith, the elderly Irish nanny who talks to spirits? Mikayla, the lonely teenager, or the clique of toxic...