Four prisoners sharing the same cramped cell make a discovery that could help them escape from even the most high security prison if it doesn't split their world wide open first. Carrere is an ambitious company director serving time for fraud, Marcus is a thirty-five year old transsexual on course to becoming a real woman, Daisy is a mentally deficient servant, and Lassalle is a sixty year old intellectual who murdered his wife of many years. Together, these lawless misfits do their best to serve their time without losing their minds. One day, after discovering a loose stone slab in their cell, the four incarcerated convicts unearth the diary of a former prisoner named Danvers who occupied the exact same cell at the turn of the century. According to the diary, there exist magic formulas so powerful than any prisoner could use them to escape. Later, when the men attempt to decipher the formulas, the entire prison becomes a terrifying cauldron of bizarre phenomena.