Avery is an unadventurous schoolteacher whose sister secretly signs her up for The Great Holiday Dash, a Christmas-themed reality competition show where she's paired with former hockey player Wes. Despite clashing at first, Avery's puzzle-solving skills and Wes' physical prowess help them excel as they travel from city to city and compete in festive feats that have a local flavor. It's not long before a real connection between these opposites begins to blossom. But when Avery overhears a conversation between Wes and a show producer it threatens to derail their budding romance. Keeping their eyes on the prize, the duo continues to dash to the finish line but there may be a more personal adventure for them still in store.

　　凯蒂·凯利和约翰·凯利准备安定下来生个孩子，可他们用尽了一切方法却始终无法如愿，为了实现这个美好的愿望，他们无所不用其极，却任然经受着不孕不育的痛苦，他们的婚姻也随之承受着终极考验，他们能如愿吗？