the must-read chilling new locked room debut crime thriller of 2025

You’re trapped underground. There’s no way out. And there’s a killer on the loose…

‘Full of twists and amazing turns that will have you guessing till the very end!’ ⭐⭐⭐⭐⭐ reader review

When former Detective Inspector Jess boards the London Underground, it should be just a few short stops home. But as the tube barrels towards Baker Street, it’s brought to an abrupt stop, and they’re plunged into the darkness.

And then she hears the screeching.

Jess pushes through into the driver’s cabin. There, she finds his lifeless body, and stab wounds in his neck, still bleeding.

With no escape from the train, and in the pitch black, Jess is thrust into a deadly game. In a race against the unknown murderer, Jess must unravel the sinister truth before the killer commuter strikes again…

A nail-biting, addictive thriller, perfect for fans of Lucy Foley and Sarah Pearse.

‘I was hooked from the first page!’ ⭐⭐⭐⭐⭐ reader review

‘Kept me totally captivated…addictive’ ⭐⭐⭐⭐⭐ reader review

‘My heart was pounding…I absolutely dreaded what was going to happen next’ ⭐⭐⭐⭐⭐ reader review