Among theater folk, "the Scottish play" is considered unlucky, so much so that tradition requires anyone who utters its proper name backstage to leave the building, spin around, spit, curse, and then request permission to re-enter. As director Peregrine Jay directs a production of Shakespeare's great work at the Dolphin Theater, misfortune does indeed abound, including some ugly practical jokes-and a grisly death for the leading man. It's up to Roderick Alleyn to find out who has blood on their hands.