Mickey Haller (Matthew McConaughey) is a Lincoln Lawyer, Lincoln Town is his workplace. Mickey was not a successful lawyer, but his work is could to finance his life. Unfortunately, when a great opportunity come, Mickey began to question the ethics of his job.
Unlike other client, the client this time is the son of a wealthy woman. Mickey had to defend a playboy named Louis Roulet (Ryan Phillippe) who are accused of rape and attempted murder. At first, Mickey thought if Louise was a wealthy man who became the victim of blackmail like he often face and therefore he could not refuse this chance.
When Mickey started to handle this case and conduct investigation to find the evidence to release Louis from law, Mickey began to doubt the honesty of Louis. Then came the allegation if this case is related with murder case has ever handled Mickey. After so long never questioned right and wrong, what this time Mickey was still defend his principles.