By now, we know what to expect from Haven. The episode starts with Audrey discovering something weird. She investigates further, finding evidence and interviewing people involved. Along the way, there are hints about the Troubles--nothing substantial, but the writers think it makes viewers interested--and in the end, there is a conclusion based upon arbitrary rules of the troubles.
And that sums up "Ball and Chain," another episode with the same exact pattern. I've given Haven 5 episodes and this is the end of the line for me. If anything happens, remember to tell me.
Score: 6.8/10