PARK CITY, UTAH Jan. 26 (UPI) -- Rabbit Trap , which premiered Friday at the Sundance Film Festival, is a slow burn horror movie that doesn't pay off enough. Darcy ( Dev Patel ) and Daphne Davenport (Rosy McEwen) are musicians living in Wales in 1976. Darcy records sounds outside to blend into tracks for his wife's songs. Advertisement One day a child (Jade Croot) visits Darcy outside and comes back to the house to meet Daphne. They welcome the kid until he becomes needy and pushy. The