On Christmas Day, with the help of his grandson, George still haunted with regret from the loss of Violet, the 'wayward girl' he loved decades ago, gets to go back through time and relive and possibly change his unresolved past.

Will millennials find a way to survive the apocalypse? No, but they'll definitely tweet about it. When the zombie apocalypse hits the popular vlogger Katie's college party, a small group of survivors decide to record the events. They have to deal with zombie would-be-invaders, demonic influences, nighttime terrors, party crashers, and worst of all - each other.