When a young boy is found dead on an idyllic beach, a major police investigation gets underway in the small California seaside town where the tragedy occurred. Soon deemed a homicide, the case sparks a media frenzy, which throws the boy's family into further turmoil and upends the lives of all of the town's residents. Welcome to Gracepoint, a new 10-episode mystery event series based on "Broadchurch," the U.K.'s critically acclaimed hit crime drama.