Ben's always loved December, but this year, with his relationship with Daphne on the rocks, it's missing its usual magic. So when he runs into his old friend Alice - the one that got away - Ben can't help but wonder what would have happened if he'd done things differently all those years ago. He never imagines he might get to find out... but when a stranger sells Ben a mysterious watch one freezing winter's night, he's astonished to wake up the next morning on 5th December 2005: the day he first kissed Daphne, leaving Alice behind. Now Ben must make the biggest decision of his life, all over again. But this time around, will he finally find the courage to follow his heart? Two loves. Two lives. One destiny...