Michael McKenzie does not believe in ghosts. Even after moving to the notoriously haunted town of Whalesborough, he can blame the crying girl above his head on his night terrors. However, the stranger outside his window may be more difficult to reason with...

Bo Cassidy understands the irony of working at his aunt's psychic shop despite being adamantly against the supernatural. But as disturbing prank calls make turning away from Whalesborough's obsession difficult, Bo finds himself doubting what he knows-and even doubting what sent him to the island to begin with: the death of his mother.

Alejandro "Andy" Romero-Almada knows better than to discuss spirits in Whalesborough. There are enough ghosts in his life anyway. If anything, Andy is beginning to think the only thing he's being haunted by is his looming future... and the basement holding his family's secret.

As tides shift and tensions rise, the three boys must confront the terrifying truth... What if there really were ghosts in Whalesborough?