As his powerful law firm prepares for one of its most important cases against Denning Pharmaceuticals, the lowly legal assistant, Thomas Miller, decides to shift his focus and concentrate on another challenging lawsuit, only to get fired. After an already rough day, things will soon go from bad to worse, when Thomas inadvertently notices strange occurrences after hours in the nearly empty office and a very suspicious suitcase swap between two strangers on their way to the thirty-fourth floor. One of them is a hired assassin, and, now, Thomas and a handful of his former co-workers working late are caught up in the middle of a deadly confrontation. Are those two cases linked? Above all, who is the contract killer's employer?
—Nick Riganas