Alice has always suffered from ‘wanderlust’. She drools over travel brochures and dreams of adventure. Finally free to travel, her GAP year abroad with her identical twin sister, Sophie (who she calls Twister), grinds to a halt in Sydney because Sophie has fallen in lust. Again.

Alice has pretended to be Sophie before, but persuaded to step into her inordinately high-heeled shoes on New Year's Eve, singing with the band hired to entertain heroes and celebrities aboard a luxury yacht, sounds like a ticket to trouble … but what else are sisters for?

Alice begins to wonder …

She’s landed in double trouble when her sister refuses to answer her calls, and treble trouble when she's lovestruck by lead singer Guy.

Passion and fireworks are all very well, but next year can't come fast enough when one wrong note could drop her in deep water ...