A year ago, Helena Xavier's friend Susan Lewis died mysteriously in Room 308 of the Evershore Hotel. Though the police ruled it a suicide, Helena is convinced it was murder and goes undercover as a hotel tester to investigate. She uncovers a bloody secret hidden within the hotel: guests are drugged and imprisoned, and Susan's death is linked to a savage bloodletting. As Helena gets closer to the truth, she faces grave danger, with her fate hanging in the balance...
