Crony

Aarav becomes nostalgic about his late best friend Ricky and later becomes successful in unfriending him on Facebook , no sooner, strange things start happening with him and his friend who had came down sometime later. Was it because of a hallucinated mind or was there a presence of his friend's evil spirits? Does pre-conditioning of mind play a role in the human thinking? Go ahead and unravel the mysteries at your discretion.