In 1980's Helsinki, a city about to burst with young energy and rebellion, two young writers determined to conquer the world fall madly in love. For Inka, the love affair puts everything in motion: she finds her own voice, publishes her first novel - and becomes a sensation. The intensity of their relationship has a different affect on Juhana, who starts to lose his grip on writing and, finally, life. At the height of the love affair Inka starts to suspect that their mad love might actually be real madness.
After the abduction and assumed death of Mackenzie Allen Phillip's youngest daughter, Missy, Mack receives a letter and has the suspicion it's from God asking him to return to The Shack where Missy may have been murdered. After contemplating it, he leaves his home to go to The Shack for the first time since Missy's accident and encounters what will change his life forever.