When Su, a divorced mother of one daughter, falls in love with Jeremy, a widowed father of two sons, they want to build a life together, but neither of their houses in Worcester is big enough for a family of five. They decide to build a dream house in farmland outside the city, in which to live happily ever after. For sound designer Su, it's an opportunity to create an embracing home and heal past wounds, while Jeremy sees a chance to impress his overbearing father. The Sound of It looks at parenting and at step-parenting, when expectations are high, dreams are big, and the Internet is very dangerous.