He's been watching her for six months. Now it's her turn to give him everything. Cassian Virelli is a man who doesn't accept refusal. When he finally meets Detective Serena Ashcroft, the brilliant investigator who's been unknowingly hunting his organisation, he knows two things with absolute certainty: she's dangerous, and she's his. Serena doesn't believe in coincidence or in men who claim obsession is love. But Cassian doesn't just claim it; he proves it. With access to his intelligence network, his resources, and his unwavering devotion to her success, he becomes the only ally she has in a murder investigation that threatens to destroy everything. The problem? Cassian isn't her saviour. He's her darkest mirror. Vicious is a dark romance for readers who understand that love isn't always light; sometimes it's two morally grey people recognising themselves in each other and refusing to let go, no matter the cost. Content warnings: Stalking, obsession, organised crime, murder, explicit sexual content, psychological manipulation Heat level: Very High | Darkness level: Very High