This week we're watching a blander episode than the title suggests - A Dash of Sunshine. We discuss public transport, policing and pointless plot points.

Official Episode Synopsis: "There is an unwelcome blast from the past for DI Richard Poole when a former colleague turns up in Saint Marie. Will an extra detective on the Caribbean island prove to be a help to Richard and the team as they try to explain a seemingly random killing, or a hindrance?"