Defying the edict of the Medical Council, Dr. Robert Cranston, helped by Dr. Campbell, carries out an unauthorised medical experiment with a 'deep freeze' system of suspended animation. The volunteer is Claire Baxter, an attractive film stunt-girl. But when Claire undergoes deep freeze unconsciousness, the two doctors discover that they cannot restore the girl. She is barely alive. Despite every endeavour to revive the girl, nothing happens, and Cranston and Campbell find themselves charged with murder...