Kristopher Wente

Diggsy Ellston has been in love with Suzette Larking since he was a boy. When Suzette gets married to another man, Diggsy meets a stranger who offers him an unbelievable gift: the unusual possibility of finding another Suzette. This offering comes in the form of a key that opens doors into parallel universes. Universes where other versions of Suzette may not only exist, but where one of them could even possibly love him. (imdb)

Story of a husband and wife that will stop at nothing to find her missing daughter, who disappeared on a family camping trip. When the police don't catch any leads, the duo take over. (imdb)