- both are romantic thrillers
- in both the woman are in marriages they don't want to be in
- in both, the fl's leads weakness is their parent in a hospital
however Love in Sadness is a toxic love story in which the husband and wife do not stay together

- Both shows show a couple that is separated after many years because one partner ghosts the other
- Both shows have a lead passionately going for the other
- both have angst

- One of the leads ghosts the other (in TMS2, they were together before one leaves whilst in ODS, the lead confessed and left)
- the leads passionately pursue the other
- TMS2 is a bit darker whilst ODS is lighter but the chemistry of the leads in both shows is very natural

- both leads meet after a long time
- one of the leads return back to their hometown after a successful work life
- in both shows, there is a side couple involving a single parent
- There is a close relationship shown between the child of the single parent and the new partner

- In both one of the partners ghosts the other
- in both one of the leads is passionate in pursuing the other
- both delve into deeper topics like mental health issues
- both have angst