Three inseparable best friends.One brutal betrayal.And a secret that will shatter everything.At St. Augustine University, Nick Carter, Lucian Vale, and Luna Winter believed their bond was unbreakable. Late nights, whispered secrets, and promises of forever tied them together-until Luna is found dead under mysterious circumstances.The official verdict hints at suicide. But Nick and Lucian know better. Luna's diary tells a darker story-of lies, of fear, of someone hiding behind a mask. As Detective Sergeant Adrian Ashcroft digs into the case, suspicion tears through the campus, exposing rivalries, broken alibis, and friendships built on fragile trust.When clues point too close to home, Nick and Lucian's loyalty begins to splinter. The deeper they search, the clearer it becomes: the killer isn't a stranger. It's one of them.And the truth will destroy more than just their friendship.The 0ne They Never Suspected is a gripping psychological thriller about loyalty, obsession, and the terrifying cost of trust. For fans of The Secret History and If We Were Villains, this novel will keep you turning pages late into the night-until the mask finally falls.