Lara's looking forward to a well-earned retirement from MI5, but her plans to relax on holiday with the Cook family are quickly disrupted.  In a cave by the beach, the children stumble on to a smuggling ring, and it's down to Lara to get help.  Her brilliant new gadgets come in very handy, and, after a thrilling high speed chase, Lara makes sure the criminals are apprehended and everyone is safe.  At last she can get back to her retirement...  or can she?