Obsession: A haunting psychological thriller that will leave you questioning everything

Grief never loosens its grip. But for some, it becomes an obsession that refuses to stay hidden. Teddy was once a loving husband and devoted brother. He's now locked inside a psychiatric facility, haunted by his memories and accused of multiple murders. To Dr Flack, the ambitious psychiatrist assigned to his case, Teddy is more than a patient - he's an opportunity. He's a chance of professional recognition that could define her career. Because she alone believes she can cure him. Three years ago, Teddy found his sister Hannah dead. Since then, his life has unravelled - plagued by grief and disturbing images he can't escape. When women who resemble Hannah begin to appear in his life, the past refuses to stay contained. Even his wife, Olivia, fears how far he's slipping away. But Teddy insists he's in control. Now, the deeper Dr Flack pushes, the more dangerous finding the truth becomes. Because once obsession takes hold, it can destroy everything. Perfect for fans of Alex Michaelides and Caroline Kepnes, Obsession is a chilling psychological thriller about grief, control and the fine line between sanity and madness.