Tick Tock — Gillian Larkin

A short cozy mystery about a ghost that needs help.

Grace and Frankie Abrahams own an antiques shop that was left to them by their parents. They also own the massive debt that their father incurred. A loan shark, Eddie Tominski, is now threatening to take away their beloved shop.
At a storage locker auction Grace sees the ghosts of Lynne and Tom Opendale. They were friends of her parents. Grace asks how she can help them. Tom replies that it's Grace that needs help â€" they are going to lead her to the person who murdered them, and who also murdered her parents.