Gracie (2018)

2am Waterloo Bridge. Despairing Gracie, (29) tries to get up courage to jump in the Thames, when suddenly, Ellie (17) runs onto the bridge, in fear for her life, a deadly pursuer hot on her heels, desperate for help. Shocked from her misery, Gracie helps, but nothing is what it seems. For as the girls try to escape into the night, a mystery stranger also covertly watches everything from across the bridge, and follows quietly behind.