After her best friend Holly jumps off a railroad bridge and vanishes, fifteen-year-old Jane becomes convinced that the desperate, devouring mud creature who arises from the river is Holly, trapped and unaware she is dead.
After her best friend Holly jumps off a railroad bridge and vanishes, fifteen-year-old Jane becomes convinced that the desperate, devouring mud creature who arises from the river is Holly, trapped and unaware that she is dead.