Based on the title, it could be a story of a woman who uses some sort of strategy or maybe by chance 'snatches' a billionaire for marriage. There might be elements of love, power, and wealth. Maybe she comes from a different social class and has to overcome various obstacles in order to be with him. It could also involve family drama, as the billionaire's family might oppose the relationship at first. And perhaps there are rivals who try to break them up throughout the story.
I'm not sure exactly as I haven't read it. But from the title, it might be about a character who somehow manages to get a billionaire to be her husband.
The title implies that there is a female lead who is involved in a rather extraordinary situation. She 'snatches' a billionaire, which could mean she takes an unexpected or bold action to secure him as her husband. This might start with an initial encounter that sets off a chain of events. There could be a build - up of their relationship, with both of them having different personalities and goals. Maybe she is attracted to his wealth and status initially, but then true love develops between them. Along the way, they may face challenges from society, business rivals, or even their own insecurities.