In "My Pregnant Wife Finds Out About My Kid," a man anxiously awaits the birth of his child with his pregnant wife while hiding a significant secret: he has a child from a previous relationship. As his wife's pregnancy progresses, she discovers hints about his past and investigates. 

Eventually, she uncovers the truth, leading to a confrontation filled with emotions like betrayal and anger. The wife feels deceived, questioning her husband's honesty and commitment. The story explores themes of trust and the complexities of family dynamics as they navigate the fallout and consider their relationship's future.