George West

'Lola' is the entirely self-sufficient, computerized security system for the Sandawn corporation. When Lola is left in charge of the building for one night, she decides the late-working employees and their acquaintances would make an excellent source of energy for her systems to function on. Seeking out the 'heat sources', the remaining people trapped in the building must find a way to shut down Lola before the morning. (imdb)

Innocent country boy Tom Logan is taken in by the scheming Barbara Kay, a city woman who knows Tom is set to inherit his fathers farm which sits on a rich coal field. Toms father sees through her plot and disinherits him when her marries Barbara. When Barbara tires of farm life, the ensuing events lead to death and misplaced guilt.