Despite her sheltered upbringing, Jenny is a teen with a bright future; she's smart, pretty, and has aspirations of attending Oxford University. When David, a charming but much older suitor, motors into her life in a shiny automobile, Jenny gets a taste of adult life that she won't soon forget.

Four lost souls—a disgraced TV presenter, a foul-mouthed teen, an isolated single mother, and a failed musician—decide to end their lives on the same night, New Year's Eve. When this disillusioned quartet of strangers meet unintentionally at the same suicide hotspot, a London high-rise with the well-earned nickname Topper's Tower, they mutually agree to call off their plans for six weeks, forming an unconventional, dysfunctional family. They become media sensations as the Topper House Four and search together for reasons to keep on living.