Aidan Gallagher (born September 18, 2003) is an American actor, best known for his role as Nicky Harper on the Nickelodeon series Nicky, Ricky, Dicky and Dawn (2014-2018).
When murder occurs on a trans-Atlantic flight, the passengers and crew realise that the killer might strike again. A letter is left in the lounge for first-class passengers, warning of murders on Flight 502.
