Frankie Banister and his family are preparing to celebrate Grandad Abrahams 175th birthday an occasion thats going to be even more HONKHUMPTIOUS now that Abes ghost has showed up! When the unexpected spook reveals a secret UNDERWATER wing of the hotel thats been hidden away for years, the Banisters decide theres only one thing for it a whopping welcome home bash in the spectacular BRINY BALLROOM. But memories arent the only things waiting at the bottom of the ocean. Secrets and sea monsters are lurking in the shadows, and is everything as it seems with Grandad Abrahams ghost? Or is there something fishy going on?
