Bethany Barnett is 12 years old and lives with Aunty Lauren, who is the sister of her mum who had passed away. Her death was a murder. However, it seems like her life takes a turn for the worse when her mother's best friend, Marcus Jensen, makes a reappearance after so many years. She becomes wearily suspicious of him, yet her aunt seems to like him. Even though he seems to really want to get to know Bethany and be there for her, she can't help but think there's something he's hiding.
She has two friends Alyssa and Tommy who help her at times. There's a girl at her school named Mia Conway, a bully.
There's also a stalker who seems to follow her... Can she solve the case of what happened to her mum?