In the novel Knock, Knock, Knocking On Heaven's Door, members of the 27 Club - Janis Joplin, Jimi Hendrix, and Jim Morrison - arrive in heaven. They find themselves onstage at a talk show hosted by Jesus. The three don't know why they're there or what's going on. They doubt they should even be in heaven, what with the lavish lifestyles that they've led, which included sex, drugs, and rock 'n' roll. Eventually, their humanity is called into question. Their pasts come to haunt them, and one by one the three relive their lives on earth. Their old loves and pain are replayed before their eyes....