Matheson Richards and Ashley Walker are about to end their five month relationship in a very messy way, stuck in rush hour traffic on their way to work on the Friday before a holiday weekend in July. They have hit a wall and neither can continue the way things are going. Holly Whelan and Kyle Langstrom find themselves in a similar position; Holly is losing any sense of who she really is and is desperate to start living the life she'd always dreamed of, the one that was miles away from where she was at the moment. Self-absorbed, oblivious and distracted, it was unimaginable to them that the cargo of a derelict ship would have anything to do with the course of the rest of their lives…but this inhuman cargo would bring about an event unprecedented in the city's history, and very few would be alive the next morning…