Hi, I am making this post for anyone who likes to know when a certain event takes, such as first kisses when the leads get together if there are any breakups, and anything else that pertains to the show. WARNING this post WILL contain spoilers, so please do not view it if you want the surprise factor in your watching. Okay now here are some timestamps/spoilers for Heartbeat:
Ep 2. Inhae finds out Woohyeol is an actual vampire
Ep 3. First kiss
Ep 4. The descendant of Woohyeol's first love appears
Ep 11. Inhae confesses her love to Woohyeil
Ep 12. Inhae and Woohyeol start dating (unofficially)
Ep 16. Haewon moves on from Woohyeol; the missing gold is found
My rating: 7
Happy watching!