She is an ex-cop desperately trying to deal with the tragic loss of her husband and infant son. He is a successful screen star sought after by starlets and fans. They have absolutely nothing in common.People are being murdered at Cedars Sinai. Systematically and quietly, a bolus of air injected directly into their jugular veins at the stroke of midnight. None are labeled as homicides and all appeared to be random.It doesn't take long to discover that fate has brought Fiona Caruso and Simon Martin together. The answers are there but too discover them each will have to bare their soul to the other.Will they succeed or will the murderer make them the next victims of the killing hour?