Hide and Seek revolves around a widower and his daughter. They move to upstate and Emily soon creates an imaginary friend named Charlie... but this act takes an unexpected and terrifying turn, where her father and doctor start to worry about Emily's gruesome habits.
After his wife commits suicide, David Callway and his daughter, Emily, move upstate to find peace and "restart" their lives. But when mysterious and dangerous things start happening, and Emily makes a new friend named Charlie, David and Emily's doctor, Katherine, begin to worry. Now, David and Emily must find a way out of this mess...if they are to survive.
After the sudden death of his wife, David Callaway takes his traumatized daughter, Emily, away to find peace and to start their life again in a new home. Emily fails to settle in well, with David becoming concerned as Emily identifies with Charlie. Someone who David has never met before, but who likes to play Hide and Seek.