When Dave's wife Rita dies suddenly, he finds himself a single father to their four children. Rita's best friend Sarah is also devastated, but offers support to Dave and the family. In the midst of their shared grief, events take a turn that neither Dave nor Sarah could have ever predicted.

What exactly did Evie see when she caught Dave and Sarah in bed, and will she tell anyone? Dave has to take Lucy to meet her real father, and Sarah gives Dave an ultimatum that forces him to confront his greatest fear.