What She Saw Last Night

Travelling home on the Caledonian Sleeper, Jenny Bowen wants to forget about her upcoming divorce and relax. Searching for her cabin, she helps a panicked woman with a girl she assumes is her daughter. Later, waking in the night, Jenny discovers the woman dead in her compartment...with no sign of the little girl. The train company have no record of the child, and CCTV shows the dead woman boarding alone. The police don't believe Jenny, and she tries to forget the incident, telling herself she imagined the little girl. But deep down, she knows that isn't true...