The Cello's Melody at Night (59 Episodes, Free)

Fifty-nine episodes. The tuner Evelyn moves into Blackwood Manor under the cover of servicing a piano, but her real purpose is to find out how her father Samuel died. She pretends her left eye is blind and uses her ears to memorise every corridor, every step and every lock. In the music room she hears a murder, and the next morning she hears the killer negotiating an organ deal in the drawing room. When she finally finds her father's old tuning log, the mistress of the house, Victoria, learns that this half-blind woman has never failed to see anything. Evelyn Thorne walked into Blackwood Manor carrying a toolbox and said she had come to tune the old piano. The butler checked her papers and asked what was wrong with her eyes. She said a fire at seventeen took the left one, and that she lives by her ears. As she moved down the gallery her cane tapped the floor, tap by tap, mapping the whole house into her hearing. That night in the music room she heard three people climb the stairs and a fourth being dragged up them.