Legal Question in Family Law in Virginia

What would be the legal basis or theory for such a particular action? ( I personally am

not aware of any under Virginia law absent the existence of a specified contract requiring such payments from the one spouse to the other. Perhaps, in a community property state such as California, where spouses typically share all marital assets as well as debts, there might be a sustainable claim for such an action but in a state like the Commonwealth which is not a community property jurisdiction, I would doubt it.)