Who killed Helen Walker?

Jeremy Walker is accused of killing his wife. The sheriff's sister, Kate Hammond, applies for the job as his housekeeper in order to try and find the proof they need to hang Jeremy. However, Kate never suspected she'd fall in love with the man. Her new mission is to find out who really killed Helen Walker to clear Jeremy's name. When the real killer is revealed, it sets Kate in a tailspin of grief and heartbreak.