The film centers on the importance of friendship and the difference between love and obsession. It questions living in an age where society finds it acceptable to covertly seek and find information about each other - with or without consent.
Two young sisters watch Sam, their new teenage neighbour from afar, tracking his movements and seeking out information about him. When they finally meet him, 10 year-old Dani strikes up a friendship and ends her spying but teenage Louisa takes a different path - during her continued surveillance of Sam she slips into obsession, before stumbling across another observer.