The pack has gone through a lot together and defeated many enemies, but this time the threat is different. This time, the threat lies within. Someone within the pack means to end them, forging an alliance with an enemy that can bring misery and destruction to not just them, but to the town they have dedicated their lives to protecting. While this is going on, Jake and Alba are learning more about each other as a couple. Alba is learning what it is like to be loved while Jake is learning more about Alba's past and current condition, her struggles, and her issues involving her emotions and relationships with her family as well as him. She doesn't understand what she feels for him and Jake knows this, creating conflict between them that their relationship may not be able to withstand.