Single, broke, and about to be ejected from her London flat, Cat feels left behind by her friends, who are all either married or engaged. At least if she picked a few pockets when fellow wedding guests get handsy, no one's the wiser. No one, that is, except her favorite bartender, Jake, who has his own less-than-legal side hustle. When she's unceremoniously fired and roped into bridesmaid duties for best frenemy Louisa, Cat can't help but notice that Louisa's priceless diamond engagement ring sure would solve a lot of problems. But Cat isn't as skilled a thief as Jake is, so to pull off the scheme of their lives, they'll have to pair up. From an engagement party on a boat to the bachelorette weekend in Palermo, Cat and Jake play cat and mouse with each other in a romantic charade. But who's to say what's real and what's fake, when love and money are on the line?