I liked the show when it first came out and I was expecting it to get better when they announced Colin Ferguson would be added to the cast. I loved Eureka and Colin made that a great show.
But, I think Haven got pretty bad this season. It seems they got away from what made the show good. Spending 75% of the show on a trouble, giving it depth and how to solve it. And then spending the other 25% of the show on the back story.
This season seemed to reverse the focus. The back story was too confusing to me, as if the writers didn't even know what direction they wanted to go in. And the troubles had less focus on them. Solving many too easily. Not putting enough into the trouble stories themselves.
I watched to the end, but I barely made it. If it comes back, I will watch to see if they found their way again or if it's still spiraling out of control.