The overly scientific, always respectable, and socially awkward Alexander Banks has just been informed his name resides on a betrothal agreement right above the name of the worst chit in all of England. With a loophole that allows him to marry another without consequence before the thirtieth anniversary of his birth, he has only four weeks to find another woman and make her his wife. Being the logical scientist he is, Alex decides to take his friend's advice and treat his quest for a bride just like a science experiment... Caroline Sinclair is still trying to scrape her jaw off the floor after hearing her cousin, Lady Olivia's, latest announcement when the object of their conversation, Alex Banks, Olivia's intended, arrives for what Caroline assumes is a bout of drawing room chitchat with his betrothed. But when an experiment is mentioned, Caroline, who cannot resist a science experiment any more than she can deny her lungs air, volunteers to help before she even knows what his latest experiment is!

Marcus Sinclair, sixteenth Earl of Sinclair, has lived the last thirteen years as a recluse following an accident that left him heavily scarred. Though a recluse, Marcus has still managed to fall in love. The problem? The woman he’s taken with is none other than the sister to the woman he was once betrothed to! Emma Green has fancied herself in love with Marcus since she was barely out of leading strings and he taught her how to fish. Neither her sister's engagement to him, nor the accident that left him disfigured has altered those feelings. But that matters naught. Why would he ever be interested in the younger sister of the one who ruined his life?

Widower Lord Patrick Ramsey, Viscount Drakely, fell in love and married at eighteen only to be devastated by losing his wife as she bore his third daughter. Now, as his girls are getting older he realizes they need a mother—and a governess. Not able to decide between the two which they need more, he marries an ordinary young lady from the local village in hopes she can suit both roles. But this ordinary young lady isn’t so ordinary after all, and he’ll either have to take a chance and risk his heart once more or wind up alone forever.

Despite his three engagements, the thrice-jilted baronet, Sir Wallace Benedict, has trouble when it comes to those of the fairer sex. Twenty years old and still unmarried, Edwina Banks, has taken it into her mind to see that Sir Wallace get his much-deserved and long awaited happily-ever-after. Because truly then, she can find hers, too... Or can she?