Alyssa is the new teacher to waterloo road. She so happens to be max Tyler's fiancee, her and max feel in love when she was 17 and they never looked back. But max has kept secrets from his fiancee including the fact he's married. Alyssa's mother happens to be Rachel mason, who is the headmistress to waterloo road school. She is less than happy at her 21 year old dating being engaged to a man that she hates, but Alyssa won't hear it. Everything is good until Alyssa meets tom clarkson Tom clarkson, is there for Alyssa on a level max isn't, emotionally. Alyssa feels as if she can talk to tom about anything. But what happens when Tom and Alyssa embark upon an dangerous affair right under Max's and her mother eye? Will they get away with it or will they get caught?