The bodies of men and women poisoned by a mysterious poison are found on the outskirts of Seattle. It soon becomes clear that the hunt is on for a twisted serial killer, and then the FBI turns to its best agent: Special Agent Riley Paige. Riley is in a hurry to return to work, but she has no desire to do this: she herself has not yet recovered from the attack on her family. However, as the body count rises and the murders become increasingly bizarre, Riley realizes she has no choice. Riley's investigation leads her into a terrifying world of nursing homes, hospitals, strange caregivers and patients with mental illness. Riley penetrates deeper into the mind of a maniac and realizes that she has not encountered a more terrible killer in all her years of work in the FBI: his madness knows no bounds, but he appears to be a completely normal person... A dark psychological thriller with exciting intrigue, WHEN THE PASSION IS STRONG, This is book #6 in a thrilling series (with a beloved heroine!) that will keep you turning pages late into the night.