In some fanfiction, the son might have a special ability that combines Snape's Occlumency skills and Hermione's quick - thinking. He could use this ability to solve mysteries at Hogwarts. For instance, there could be a mystery surrounding an old magical artifact, and he uses his combined skills to figure out its purpose and protect it from those who would misuse it.
One interesting plot could be that in a post - war Hogwarts, Hermione discovers a hidden side of Snape through his old potions notes. She becomes intrigued and starts to work on some of his unfinished experiments, which leads to a series of adventures where she gradually understands his complex character better. This could involve her having to face some of the same challenges he did, like dealing with the dark arts influence in certain potions.
One possible plot could be that Hermione is stalking Snape to uncover some long - lost potions secrets that she believes he has. Maybe she suspects he's hiding a powerful antidote formula. Another plot could involve her stalking him because she thinks he has a connection to a dark wizard from the past and she's trying to prove it to protect Hogwarts. And in some fanfictions, she might be stalking him out of pure curiosity about his personal life, which is always so mysterious in the original series.
In some fanfictions, Snape might blackmail Hermione over her grades. For example, he could threaten to expose some small mistakes she made in her potions work if she doesn't do him a favor, like helping him organize his ingredients. This creates a tense situation between them and often leads to Hermione trying to outwit Snape in some clever ways.
In some fanfictions, Hermione might help Snape when he is in trouble with the Ministry of Magic. She could use her logical thinking and knowledge of the wizarding laws to defend him. It could be that Snape has been wrongly accused of something, and Hermione steps in to prove his innocence. This would require her to dig deep into the Ministry's records and use her persuasive powers, which she has shown throughout the original series, to convince the authorities that Snape is not the villain they think he is.
One common plot is the 'forbidden love' aspect. Since Hermione is a Gryffindor and Snape is a Slytherin, and there's also a significant age gap and the teacher - student relationship factor in the original story. In fanfictions, they might overcome these barriers gradually. For example, they could start by having a mutual understanding of each other's intelligence. Hermione respects Snape's knowledge of potions, and Snape begins to see Hermione's potential beyond her house and age. Another plot could be a time - travel scenario where Hermione goes back in time and gets to know a younger Snape, and they develop feelings in a different context, away from the usual Hogwarts hierarchy.
One possible plot could be that Snape, in a rather devious way, tempts Hermione with the knowledge of some long - lost, powerful magic. He might dangle the opportunity to study it in front of her, knowing her thirst for knowledge. Another could be that he tempts her with a chance to change some past events in the wizarding world that she has always regretted not being able to influence. For example, he could offer her a way to prevent certain tragedies that occurred during the wizarding wars.
A possible plot is that they have to deal with the public's reaction. The wizarding community is shocked by their union. Hermione faces discrimination from some pure - bloods who think she's not worthy of Snape. Snape, who has always been an outcast himself, tries to protect Hermione from the harsh words. As they face these challenges together, they grow closer and start to develop real feelings for each other.
One interesting plot could be that Hermione discovers Snape is ill or injured in a post - war scenario. She uses her vast knowledge of magic to nurse him back to health. During this process, they start to understand each other better. Snape, who has always been a rather aloof and misunderstood character, begins to open up to Hermione, sharing his past traumas and the reasons behind his actions in the war.
One possible plot could be that Hermione breaks a major rule in Snape's potions class, like using an unapproved ingredient. Snape punishes her by making her clean all the potion vials in the classroom after hours. This gives them a chance to have some tense conversations where Hermione stands up for herself and Snape realizes she's not just a rule - breaker but a passionate learner.
One possible plot could be that the possessive Veela has an interest in Hermione and sees Snape as a rival. Snape, in his usual brooding way, tries to protect Hermione from the Veela's overbearing nature. This could lead to a series of tense encounters where Hermione is caught in the middle, not fully understanding the Veela's motives or Snape's sudden protectiveness.