When Emaline's father passes away, she must set out on a dangerous journey to bring his ashes to the Jungo River. To traverse the apocalyptic landscape, she hires Vera, a mysterious mercenary. Together, they will change the strange world of Epilogue forever, all while pursued by a bloodthirsty cult.

Max, TJ, and Charlie thought the magic of the glowing collar was behind them — until a strange howl echoes through Barkton and the collar awakens again. A single stitched word appears inside it: Howlers.