Phoebe Brooks enjoys being a nurse in London, but wouldn't mind a change from the night shift. Still, she hadn't planned on leaving England, but when her sister Sybil decides to get married instead of taking a job in Holland, Phoebe agrees to take her place. Phoebe's not happy about deceiving Doctor Lucius van Someren and is relieved when he tells her he knows who she really is. Phoebe settles into her job and soon falls in love with Lucius. But Lucius's adopted son, Paul, is hostile towards her, as is Maureen his governess, who will do anything she can to keep Phoebe away from Lucius. Will Lucius realize what's going on before it's time for Phoebe to return to London?