Heartbeat (Korean: 가슴이 뛴다) is a 2023 South Korean television series starring Ok Taec-yeon, Won Ji-an, Kang-hyun Park, and Yoon So-hee.

It aired on KBS2 from June 26 to August 15, 2023, every Monday and Tuesday at 21:45 (KST).

[6][7] It is also available for streaming on Amazon Prime Video in selected regions.

[8][9] Half-human and half-vampire Seon Woo-hyul (Ok Taec-yeon) somehow starts to live together with coldhearted woman Joo In-hae (Won Ji-an).

The two fall in love with each other, bringing warmth into their lives.