As Nina celebrates a special birthday, her mischievous son Riley threatens to wreck the party. Alpha Sparky and his family prepare to move into a larger community, but only if he can overcome a debilitating injury. In Sara Soda's family, Carlee's big sister Arden tries to force her way up the political ladder – but has she pushed too far?

Jimmy Dean and Mason's battle to be the dominant male in their group reaches a tipping point, while elsewhere in the forest, Carlee joins a nighttime quest to solve a mystery. Alpha Spock is confronted by a rebellious lieutenant, Shaq. Will the laid-back leader find a way to return peace to his group?