Raised in complete isolation by her mentally ill mother, 16-year-old Claudia has grown up believing that the outside world is evil. Stranded on their remote property after her mother's death, Claudia is shocked when Grace, a spirited local teen, appears in the garden like a mirage. Both dealing with family trauma, the pair find in each other the support, love and intimacy they need, and teach each other the restorative power of human connection. When suspicion builds around the mother's sudden death, police close in and threaten their secret summer love.