I wrote episode recaps on Fated Hearts, a guide to help you watch through some draggy/unnecessary scenes/characters:

https://chonawrites.com/fated-hearts-drama-info-and-recap-episodes-1-to-8/

https://chonawrites.com/fated-hearts-drama-recap-episodes-9-to-18/

https://chonawrites.com/fated-hearts-drama-recap-episodes-19-to-28/

https://chonawrites.com/fated-hearts-drama-recap-episodes-29-to-38-final/