The theme of ambition might be present. She became a billionaire, so there must have been some ambition driving her. The novel could delve into her journey to reach that status, the challenges she faced, and how she overcame them. Additionally, the contrast between the wealthy and non - wealthy characters could be a theme, highlighting the differences in their lifestyles, values, and opportunities.
Love is likely a major theme. Despite the secrecy, there must be some form of love between the billionaire and his wife.
Another theme might be self - improvement. The female lead may need to grow and change in order to fit into the billionaire's world, which could involve learning about business, etiquette, etc. Also, the theme of redemption could be there. Maybe the billionaire has some past issues or a cold heart that the female lead helps him to overcome.
One possible theme could be transformation. Maybe the story shows how the protagonist's life is transformed by their interaction with the billionaire. Another theme might be secrecy itself, exploring why the billionaire has secrets and how they are kept or revealed.
One possible theme is deception. The husband is living a double life, which means he is deceiving his wife and probably others around him.
Well, from the title, one possible theme could be deception within a marriage. It might explore how lies can affect the relationship between a husband and a wife, and perhaps the consequences that follow.
One possible theme could be devotion. If a wife is considered as one's life, it implies a high level of commitment and loyalty. Another theme might be the significance of the relationship in shaping one's identity. Since the wife is equated to life, she probably has a major impact on who the person is.
Without having read the novel, it's hard to say the exact main plot. However, it's likely that the story centers around the female lead who was once married to a billionaire. Their separation could be due to various reasons like misunderstandings, family interference, or differences in values. After the divorce, the ex - wife might strive to build her own identity and career. There could be flashbacks to their married life to show what went wrong, and also new developments in her post - divorce life, such as new love interests or business opportunities that she pursues while still having some sort of connection or conflict with her ex - husband.
It's possible that the main plot focuses on the power struggle between Aria and Adam. Since Adam is a billionaire, he may have a certain level of control and influence. But Aria, as his ex - wife, might not be as powerless as he thinks. She could be fighting for her rights, for a share in something, or just for her own self - respect. And this power struggle could be set against the backdrop of their past relationship, with flashbacks and revelations that add depth to the story.
One possible plot is that the ex - wife has to fight for her share of the assets after the divorce. The billionaire might try to cut her off unfairly, leading to a legal battle.
Love and heartbreak are common themes. The ex - wife often has to deal with the pain of a broken relationship.