Sienna Cross would do anything to save her father's dying company, even if it means marrying the arrogant billionaire she strongly hates. Their one-year contract comes with three rules: no love, no touching, no questions. But everything changed when Alexander was involved in an accident. He survives the accident, but wakes up without five years of his memories, including the memories of their marriage and the man he was before the incident. Now Sienna is stuck beside a husband who surprisingly treats her like someone worth loving even as someone is trying to kill him and frame her for it. As she digs deeper, she finds a hidden notebook with her old photograph and Alexander's original plan,marry Sienna Cross and destroy Cross Holdings. But Alexander doesn't remember writing it. When his memories finally start to come back, Sienna must decide whether the man standing beside her is the husband she fell for mid way or the man who planned to take everything she loved away from her?