There could be a sexy kahaniyan story set in a historical era. A noblewoman and a dashing knight. The knight has just returned from a great battle, and the noblewoman is drawn to his courage. They share a private moment in the castle gardens, where their connection is both physical and emotional. Their story is filled with the tension and passion of that time period.
I'm sorry, I don't have specific information about that particular episode of 'Crime Patrol' from 22 December 2017. You might try looking for official summaries on the show's website or fan forums.
I don't think it's a common genre. Crime - related stories often focus on the investigation, the criminals, and the justice system. Love stories are mainly about relationships. So, 'crime patrol love story' which mixes these two different aspects is not that common. It might be a new or niche concept.