It was slow going in the early part of Season 2 but it's picked up since then. My favorite episode was actually the one from a couple weeks ago that didn't even have Elliot in it!
The plot is more confusing this season since there isn't a clear objective like in season 1. It's more about dealing with the aftermath of season 1. Also, the 'big twist' midway through the season was easy to guess very early on, unlike some of the twists in season 1. I'm hoping there's something less obvious to come.
Dom was an interesting addition this season but she's too much of the 'rogue cop who's always right' trope. Darlene is probably my favorite character.