A new trailer has been released for the creepy horror film Master, starring Regina Hall (Girls Trip, Nine Perfect Strangers) as professor Gail Bishop, who has recently been promoted to "Master" of a residence hall, the first black woman to do so. But all is not as it seems as she begins to uncover a sinister secret within the college’s history and walls. The film is written and directed by Mariama Diallo (Hair Wolf, Random Acts of Flyness) in her feature directorial debut. Hall is joined in the cast