When Spark--the rakish prodigal son--returns unannounced to the dilapidated family home, his arrival launches an unforgettable summer on Monhegan Island. During his absence, his gentle brother and shrewd, fork-tongued father, Pastor Ragnar, have been caring for Spark's son, Hally. A temperamental adolescent emboldened by tales of his father's mischief, Hally is careening through an identity crisis when he stuns his family by claiming to have had...