In the spring of 1987, Ed Underwood is happy with his life: he has a good job as personnel manager at a successful jewelry company, a loving girlfriend, and in his spare time pursues his passion for karate. Then one day Henry Cohen, the company president, summons him to his office. Cohen has received an anonymous note, both cryptic and threatening, and he asks Ed to call on his psychology training to interpret it. Unsure what the note means, Ed also...