"I’m pregnant. You have to help me!" — my sister announced to me after we hadn’t seen each other for two years and didn’t even talk! And after everything she did in the past, she has the audacity to ask me for help. Though, really—who else? Only I am her exact copy, able to handle the crazy plan—to swap places with her before her future husband. And she’s willing to pay me handsomely for it. Except… when did anything ever go according to plan?"