I'm looking for spoilers. 

I know some pretty big things happen in this book but I'm not sure I want to read it.

I am kinda curious as to what happens, though.

I'm surprised that you haven't had any replies before now.  I think this is a terrific series and definitely worth reading.  However, if you're sure you want spoilers....

I never liked Chaz, and my dislike of him was reaffirmed in this book...in addition to being a werewolf, he's also a skunk!  And even after being caught (literally) with his pants down, he is still an unrepentant, unforgiveable jerk who blames Shia for his blatant infidelity!  Shia's situation is complicated even further when she's bitten by a member of Chaz' pack and consequently disowned by her father.  Royce continues to be her friend even though he appears to have found a new love interest and is thus no longer a candidate for Shia's affections.

Poor Shia has been betrayed by those she thought would always stand beside her, family and friends alike.  It will be interesting to see how she takes her revenge, and whether Royce can maintain his distance from her.   I'm anxiously awaiting the next installment in the series.