The breathtaking finale of the Don't Kill series.
Stranded on the dangerous world of Danu, Liz, Ash and Morgan realise that the energy lines of Ash's home world have disappeared. Deprived of her magical abilities, Liz must accept her warrior heritage if she is to reactivate the portal and return to Connor and the others.
Meanwhile, in Farnsworth, Liz's friends are faced with the ruins of their world. The existence of the Linewalkers, hidden from humans for thousands of years, has now been revealed, and a powerful enemy has emerged from the shadows of the past. This enemy is determined to prevent the portal to Danu from ever opening again, at any cost. The shadow of impending war looms large. But this time, even the legendary Twelve and the witch queen Lilith are up against an enemy who appears to be invincible.