An experienced arson investigator takes along his young associate as they try to find an arsonist who is burning down movie sets. An experienced arson investigator takes along his young associate as they try to find an arsonist who is burning down movie sets. An experienced arson investigator takes along his young associate as they try to find an arsonist who is burning down movie sets. An experienced arson investigator takes along his young associate as they try to find an arsonist who is burning down movie sets.