Paul and Kate are a young, recently married couple that has just moved into a new home, but their happiness is overshadowed by an illness that has Kate bedridden. While Paul takes care of Kate, their new neighbor Arielle shows up to drop off a housewarming gift for the couple: an intricately crafted candle. Does a seemingly innocent gift from a stranger contain an answer to the couple's problems, or will it cause them more harm than good?