 Charlie s private investigation company is addressed by programmer Eric Knox, owner of Knox Technologies, whose revolutionary voice-recognition software has been stolen. Charlie s Angels Natalie, Dylan and Alex are sent to place a bug in the system of bitter rival Roger Corwin, who is under strong suspicion. But after the deed is done, the Angels and their boss Bosley face the fact of a destroyed home base as well as Charlie s life in immediate danger. But how do you protect someone you never met?