Jennifer Corvino, daughter of a renowned actor, struggles with sleepwalking, which her doctor links to the risk of developing a split personality. During a stay at a boarding school once inhabited by Richard Wagner, Jennifer discovers her alternate persona. However, the school is plagued by a mysterious killer, and the connection to a nearby criminal sanatorium is tenuous at best.

Phenomena
In a prestigious Swiss boarding school, a gifted young girl with the unique ability to communicate with insects becomes embroiled in a mystery when her extraordinary talent holds the key to solving a series of baffling murders.