Cornwall, 1786, hungry Mary Broad is convicted to death for stealing a lady's picnic but 'mercifully' allowed to join for life first governor Phillip's founding shipload to start a penal colony at Botany bay in New South Wales. On board, she fails to be recruited as 'comfort maid' by gentleman marine infantry lieutenant Ralph Clarke, but gets the job to save her after near)drowning, then looses it again by arrogance and becomes pregnant by male convict William 'Will' Bryant. Pioneer life is a relative relieve, especially for able fisherman Will's privileged crew. ...
The escapees' party has got away in one boat, ill-prepared, and after bitter bickering decides to risk sailing to the Dutch Indies. Despite lack of wind, they finally reach Timor. There they pretend to be shipwrecked rich Englishmen and live in luxury on credit for years. When lieutenant Clark passes the island on his way home, he discovers the escaped criminals. William is killed resisting arrest, the rest caught and put on trial in London. The public and press sympathize with the adventurers.