Poppy Wyatt has never felt luckier‎.‎ She is about to marry her ideal man‎,‎ Magnus Tavish‎,‎ but in one afternoon her “happily ever after” begins to fall apart‎.‎ Not only has she lost her engagement ring in a hotel fire drill‎,‎ but in the panic that follows‎,‎ her phone is stolen‎.‎ As she paces shakily around the lobby‎,‎ she spots an abandoned phone in a trash can‎.‎ Finders keepers‎!‎ Now she can leave a number for the hotel to contact her when they find her ring‎.‎ Perfect  Well‎,‎ perfect except that the phone’s owner‎,‎ businessman Sam Roxton‎,‎ doesn’t agree‎.‎ He wants his phone back and doesn’t appreciate Poppy reading his messages and wading into his personal life‎.‎ What ensues is a hilarious and unpredictable turn of events as Poppy and Sam increasingly upend each other’s lives through emails and text messages‎.‎ As Poppy juggles wedding preparations‎,‎ mysterious phone calls‎,‎ and hiding her left hand from Magnus and his parents‎,‎ she soon realizes that she is in for the biggest surprise of her life‎.‎