“Hail, Hale” is a fast and furious episode, uncovering Tamsin’s (Rachel Skarsten) betrayal of Bo (Anna Silk), Kenzi’s (Ksenia Solo) human nature putting her in danger with the Fae, Lauren (Zoie Palmer) making a heady discovery, and Dyson (Kris Holden-Ried) having to fight a mortal enemy Fae to save his life.