A shocking crime. A mansion filled with suspects.

Ruth Van Rydock can't shake the feeling that something terrible is going to happen to her sister at Stonygates house.

Her old school friend Jane Marple decides it's time to pay a visit.

But this grand Victorian mansion isn't just a family home - it's also a correctional facility for wayward young men.

And when something terrible does indeed happen, Miss Marple must face her most eccentric cast of suspects yet.

Never underestimate Miss Marple.