Haiku Tunnel (movie, 2001)

Josh is the consummate temp employee, avoiding all long-term connections and responsibilities, both at work and in his personal life. However, by the time his agency places him at the Schuyler & Mitchell law firm, Josh is tired of his temporary life and agrees to take a permanent position at the firm. Josh has difficulty adapting to his new lifestyle, which manifests in his inability to complete his simple initial task: mailing seventeen important letters.