Mustard on Velvet — Anna Castle

Agnes Merrythought, laundress for Gray's Inn, has to cope with two perplexing problems in one busy morning. First, she catches her daughter coming out of a barrister's house, which can only lead to trouble. Then she learns that her no-good husband already had a wife when she married him. Luckily, there are advantages to washing clothes for a society of lawyers.