Salem Falls by Jodi Picoult

Jack St. Bride was once a beloved teacher and soccer coach at a girls’ private school – until a student’s crush sparked a powder keg of accusation and robbed him of his career and reputation. Now, after a devastatingly public ordeal that left him with an eight-month jail sentence and no job, Jack resolves to pick up the pieces of his life.

He takes a job washing dishes at Addie Peabody’s diner and slowly starts to form a relationship with her in the quiet New England village of Salem Falls. But just when Jack thinks he has outrun his past, a quartet of teenage girls with a secret turn his world upside down once again, triggering a modern-day witch hunt in a town haunted by its own history…