The hunt for the new Ash is on. Literally. A traditional Stag Hunt is held, whereby the candidate who successfully tracks and kills the Stag becomes the next Ash. Bo barely takes a passing interest in this ceremony until a surprise visitor with a vested interest in the hunt appears in her front room.

As Bo struggles to accept the new terms of her and Dyson's relationship, she investigates an apartment building full of residents who appear to have lost their minds.Kenzi's choice to employ a Brownie to help around the house threatens to backfire on her.

In a move of sisterly solidarity, Kenzi drunkenly invokes the Russian hag Baba Yaga to curse Dyson for his behavior towards Bo. In the sober light of day, however, Kenzi and Bo seek to remove the curse.

Bo and Dyson team up to track down a stolen Mongolian Death Worm on behalf of Dyson's old wolf pack mate. When things get complicated, Dyson finds himself reliving his medieval days – tormented by the hard choices he once had to make, and fighting in the present not to repeat past mistakes.

A night out at the Dal goes awry when an insane trickster spikes the beer with a substance that transfers Bo out of her body – resulting in a ripple effect that finds our regulars inhabiting the skin of their friends, lovers and rivals. Suppressed – and not so suppressed – feelings bubble to the surface, and the brief stays in one another’s bodies gives each surprising insights into the other.

Bo joins the brutal world of underground fighting to help a human competitor juiced up on Fae "steroids" that are sending him on blackout rages – and putting his son in harm's way. Meanwhile, the sister of the first boy she ever killed shows up and confronts Bo over her deadly past.

When rich young humans start turning up dead, Bo agrees to go undercover to help Dyson find the Fae responsible. As she makes her way through the "Gossip Girl" world, Bo learns a deadly kind of class warfare is afoot.

Bo enlists Dyson’s help to find an artifact she believes will release Nadia from her coma -- even though it might mean having to say goodbye to Lauren.

When Trick takes matters into his own hands to foresee the future, he runs the risk of revealing too much to the wrong Fae. Meanwhile, a furious Bo confronts The Ash about a betrayal… and is stunned by his response.

While Bo continues to ponder The Ash’s shocking proposal, she agrees to his interim request – to kidnap a Genie. The assignment becomes complicated and dangerous, and Bo finds herself involved with the most unlikely partner.

Things heat up when Bo tangles with Fae politics in an attempt to save some very important people. Meanwhile, Kenzi risks more than she intended when she does a favour for Hale.

Kenzi and Trick must race to save Bo from the fallout of a steamy night gone awry before it binds the Succubus for a millennium. In its wake, Bo poses very uncomfortable questions to Trick about her origins.

Bo confronts a very powerful Fae, uncertain whether she can trust The Ash’s counsel. The coming War takes its first casualties – literally and figuratively – which challenges Bo’s and Kenzi’s commitments to the cause and the ones they love.

The Ash takes drastic action against the threat bearing down on him, which in turn convinces Bo to make a potentially life-threatening decision. When those close to her suffer devastating injuries, Bo can no longer ignore her destiny.