William Worthington III and his wife Ashley have more in common than they realize. Both have arranged secret rendezvous for the same weekend at their estate’s beach cottage, and neither is willing to part with the world-famous Worthington Necklace. As their lovers' paths cross, divorce seems imminent. Determined to keep the necklace, they each hatch a plan to steal it—unaware they’ve chosen the same night for their heist. With the help of their lovers, a clumsy private detective, a counterfeit nun, and an overzealous flirt, their schemes spiral into chaos. In a whirlwind of mistaken identities, surprising romantic entanglements, and wild confusion, the necklace is stolen, found, swapped, and replaced with a fake in rapid succession. Get ready for a madcap comedy of errors as everyone scrambles to figure out who has the real Worthington Necklace!