Bottle mail

It's a 17 year old lad named Liam who wrote the bottle mail about Emma, a girl from his kindergarten. She got abused at home, and weren't in shcools in periods, sometimes weeks! doing these periods they wrote letters to each other. They wrote together their whole life, but suddenly, she didn't write back for months. He went and visited her but found out she disappeared. He wrote a last letter for her at her 17 birthday, 1 month after she disappeared, which he putted in a bottle as a bottle mail. The bottle mail didn't say very much but when a journalist finds it, she finds the now older Liam too. The journalist investigates the disappearing of Emma Thomas, and the finds out things about Emma he never knew. Nobody knew.