When young friends Connor, Amaya, and Greg put on their pajamas and activate their animal amulets, they turn into their alter egos: Catboy, Owlette, and Gekko as they embark on adventures that are filled with action.
Three children become superheroes at night. During the school day a problem arises, and during the night the culprit is found by the PJ Masks and the problem gets solved by sharing ideas, recognizing strengths and weaknesses, and the ability of working together to get the problem solved. Everything is made right for the children the next day thanks to the PJ Masks. Because bedtime is the right time to fight crime.