This series, because of its ratings, is misleading. The story is about a serial killer who I personally think is clumsy and just arrogant. If you've watched other serial killer series or even crime ones, then you will be especially disappointing. Its a simple story of a serial killer hiding behind a family man outlook. But, his character himself is seems confused, he doesn't even try to be a clever killer, he promises to be a better husband but again lacks interest. This series is sooo slow, it didn't even need a second season! The investigators lack coordination and other drug crimes are mixed just to get the show stretched.
My advice, do not waste time on this, I tried to give it a chance but damn its slow with a lot of flaws.