 CONT: When Frenchy takes Capt Morgan to the cellar to remove a  bullet, Frenchy unlocks the cellar door and promptly relocks it  after they enter the cellar. A few minutes later, Slim comes down  the stairs in the cellar with the first aid kit and the hot water.  Frenchy has been in the room with the wounded man all this time and  couldnt have unlocked the cellar door.