Original: The company also secretly creates "Can-D", an illegal but widely available hallucinogenic drug allowing the user to "translate" into Perky Pat (if the drug user is a woman) or Pat's boyfriend, Walt (if the drug user is a man).
Simplified: The company also secretly creates Can-D, an illegal but widely available hallucinogenic drug allowing the user to "translate" into Perky Pat (if the drug user is a woman) or Pat's boyfriend, Walt (if the drug user is a man).