Kirby claims to have been sent to Honolulu Heights by the late, lamented Nina, but can he be trusted? Is he friend or foe? As Annie (Lenora Crichlow) grows closer to the new arrival, tensions reach breaking point and secrets come spilling out...
Being Human continues this Sunday at 9pm on BBC Three.
> Being Human Lenora Crichlow Q&A: 'Annie has grown up a lot'
Take a look at new images from Being Human 'A Spectre Calls' below: