Discover the story of the song > In Cold Blood – Alt J

The lyrics are about a person who is feeling sad and isolated. They use numbers to represent their emotions, with zeros representing sadness and ones representing happiness. The protagonist talks about doing tricks in a pool and being kissed by their partner. They mention their partner's hair, ordering a drink, and seeing inflatables in the pool. The lyrics also mention someone named Mr. Caspian, who they believe is a killer. The protagonist feels like their good vibes have been ruined and they feel like a pool killer. They end the song by repeating "in cold blood" and "Caspian's killer told me so" several times.