Fleeing family tragedy, a new start working at Margrave Manor seems perfect to Marie. Matthew Hughes, the charming gardener, takes a shine to her, but Mrs Johnson the housekeeper resents her very presence. What's more, Mrs Johnson warns Marie that Matthew has a murky past. When the police are called to an incident, everyone falls under suspicion. Will handsome, commanding Detective Sergeant Martin solve the mystery, and could he finally be the man to mend Marie's broken heart?