She wanted a job, he turned it into a deadly game. When twenty-four-year-old Evelina lands a position as personal secretary to Cassiel Valtoris — the city's most feared billionaire CEO, she thinks he's just another demanding boss. Cold, rude, and too handsome for his own good. Then one mistake changes everything... He should've fired her. He should've killed her... but instead, he makes her a deal. Obey him, work for him, be his shadow and never ask questions. But the more Evelina goes deeper into Cassiel's dangerous world, the harder it is to stay away from him. She was supposed to be a disposable assistant but now, she's the woman who could ruin him... or save him. She fears him, she hates himHe's her bossHer enemy And maybe... the man who could destroy her heart.