It’s the brassy, bright, and promising year of 1959. Boston’s Colonial Theatre is host to the opening night performance of a brand new musical. But when the leading lady mysteriously dies on stage, the entire cast & crew become suspects in a murder investigation. Enter a local detective who happens to be a musical theatre fan! In a quest to find the culprit, the detective feels the surest way to solve the crime will be to keep the entire cast of suspicious characters sequestered in the theatre.