Erin lives an idyllic life by the seaside with her baby boy and Australian fianc She s upbeat and happy - a natural mumAt least that s what her thousands of followers on Instagram thinkIn reality Erin is struggling with anxiety and finding it difficult to connect with her screaming son So when an agent offers to make her the biggest Instamum out there she can t refuseAnd when Amanda a family friend who s visiting from Australia says she ll move in and babysit to help make it happen it seems like the stars have finally aligned for Erin s exciting new careerBut there s something Amanda isn t telling herSomething that will destroy Erin s carefully curated persona online