However, the plots aren't interconnected, Shurik doesn't recognize the Coward, the Fool and the Pro in Kidnapping, and his wife from Ivan Vassilyevich is neither Lida nor the heroine from Kidnapping.
Jinty - the heroine of "Waves of Fear" suffers from this, and her fear starts ruining her life, as she gets bullied and receives No Sympathy from her parents, who are disgusted at having a "coward" for a daughter.