Once Upon A Time Season 4 DVD Trailer

The Premise
Love proves to be the ultimate weapon in the epic battle between good and evil in Once Upon a Time: The Complete Fourth Season. 

Soon after Emma and Hook unwittingly bring Elsa of Arendelle to Storybrooke, they encounter the mysterious Snow Queen, whose relentless obsession with both Emma and Elsa has chilling consequences. Then, a banished Rumplestiltskin enlists the Queens of Darkness (Maleficent, Ursula, Cruella De Vil) in an insidious scheme to rewrite their own stories and corrupt the Savior by turning her newly blissful heart pitch-black. 

The Trailer

Once Upon A Time Season 4 
On DVD from 25th November 2015