When Liv and Nate walked up the aisle, Liv knew she was marrying the one, her soul mate and her best friend. Six years later, it feels like routine and friendship is all they have left in common. What happened to the fun, the excitement, the lust, the love? In the closing moments of 1999, Liv and Nate decide to go their separate ways, but at the last minute, Liv wavers. Should she stay or should she go? Over the next 20 years we follow the parallel stories to discover if Liv’s life, heart and future have been better with Nate, or without him?