Esmie knows she wants to be a detective when she grows up - just like her dad. And now is the perfect time to start honing her investigative skills. First of all there`s the mystery disappearance of Esmie`s brother`s girlfriend`s mum (interestingly complicated! ) . Could she still be alive? Or does a vital clue lie beneath the soil of the local allotment? Even more importantly, Esmie is worried that her dad still hasn`t proposed to his girlfriend, Lizzie. After all, Esmie went to enough trouble to act as match-maker for them! Then Esmie discovers that something very strange is going on - Lizzie is having a secret rendezvous with a mysterious man when she is supposed to be at work. What on earth is Lizzie`s secret - and can Esmie find a way to make sure her new `mum` and dad stay together forever?