Mystère à Broadway [Mystery on Broadway]

Here you are in the 1920s, in the famous New York district. The most famous musical of the time sold out every night. The title role is held by two rival and jealous actresses who alternate performances. One day, one of the two actresses is found dead and the first suspicions fall on her rival. You have 15 minutes in the suspect's personal dressing room to find proof of her guilt or, on the contrary, of her innocence...