Diana Parks is a beautician with a temper, and she's not the only member of Ottersea WI who's had enough of bullies and slimeballs. When the body of lecherous landlord, Raj Sumal, washes up on the beach, it's up to Detectives Jim Paddon and Grace Brown to solve the mystery. They start to suspect Raj's wife, Sukhi, who likes walking on the cliffs.Meanwhile, at Ottersea Oceanworld, Jane the Octopus hears people's secrets and understands everything during a sweltering summer of strange deaths, new friendships, and a whole lot of ice cream.