A blind musician hears a murder committed in the apartment upstairs from hers that sends her down a dark path into London's gritty criminal underworld.A blind musician hears a murder committed in the apartment upstairs from hers that sends her down a dark path into London's gritty criminal underworld.A blind musician hears a murder committed in the apartment upstairs from hers that sends her down a dark path into London's gritty criminal underworld.