Rosie hates her life, but everything changes when she is given a mysterious old watch and wakes up at Elizabeth I's court with the Spanish Armada approaching. when Rosie uncovers a spy she knows she must act and warn the Queen. Can she make it to the port before it is too late?

When Rosie picks up an old watch in an antique shop, it transports her to a WWI Red Cross hospital. As a nurse she listens to the men's stories and meets Edith Cavell - who helps soldiers to escape from the Germans. When Rosie learns of Edith's arrest, she has to make a tricky decision.

When Rosie travels back in time she arrives on a ship bound for America. She soon discovers that she is on an illegal slave ship, trading after the abolition of slavery.

Rosie travels back in time again, this time to 1649 during the period of Oliver Cromwell and the beheading of King Charles I. It's up to her to mend the relationship between her Puritan brother and the love of his life, a big supporter of the Monarch - but will the two stay together after the King's beheading? And will Rosie be able to return the present if they don't reconcile?