Fantastic Foursome || Down to three

so idk if this fic has been written before or not but I came up with the idea in maths so here you go
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• this fic won't be done for ages so yah •
When Chris Kendall (aka Crabstickz) mysteriously disappears on Halloween nobody knows what to think. He is well known for his jokes and his slightly dirty sense of humour, but would he really take it so far that the police had to get involved?
His friends Dan Howell, Phil Lester and PJ Ligouri set out to find their lost friend, or at least what happened to him.
Would they still be the fantastic foursome?
Or would they be down to three?