Annie Trebarwith is happily settled in Salt Bay with her beloved great-aunt Alice and gorgeous boyfriend Josh Pasco. Snow is in the air and Christmas is just around the corner. But when the father she’s never met, aging rock god Barry, turns up with the half-sister Annie didn’t know existed, life suddenly gets complicated. Barry and Storm are soon clashing with the entire village and their antics are even driving a wedge between Annie and Josh. Can Annie prevent her new family ruining the festivities and repair things with Josh in time for a cosy Christmas? Or will their relationship end up as frosty as the Salt Bay air?