The central gimmick of this show – that “functioning” zombie Liv (Rose McIver) can temporarily absorb the memories and skills of the murder victims whose brains she samples – has been passed on to her partner in “cold case” detection, Ravi (Fahul Kohil). And tonight, the two of them snack on competitive ballroom dancer brains, then try to solve their glitzy new murder case by training for their own ballroom dance-off. And for the occasion, the usually white-haired Liv decides that since she has more than one life, she’ll Liv this one as a redhead…