A plot could revolve around how Elliot and Olivia's relationship deepens during the pregnancy. They could have cute moments like shopping for baby clothes together. There could also be some drama, like if Olivia has a difficult pregnancy. But through it all, they support each other and their love for each other and the unborn baby only grows stronger.
Elliot might become more protective. He could be constantly worried about Olivia's well - being during the pregnancy. Olivia, on the other hand, might show a more vulnerable side. She's used to being tough in their detective work, but now she has to rely on Elliot more.
Billy Elliot is based on a true story to a certain extent. It incorporates real elements but may have fictionalized parts to enhance the drama and entertainment value.