december, a new upcoming artist, finds out she's the opening act for billie eilish during her 'happier than ever' tour. she's so excited, practicing non stop and playing billie's song on repeat. when she steps on the flight the first night and finally meets the famous 'billie eilish', december finds out billie is nothing like she seems. she's horrible. and december learns why more and more people hate billie eilish. because eventually december hates her too.