Based on the longest-running web-based comic series "Ma Eum Ui Sori" in Korea, "Sound of your heart" is a story about Cho Seok, an aspiring comic writer, and his strange family.
Episode 1
Seok’s loved ones may be eccentric, but his cartoon world couldn’t exist without them; Seok moves to a new place that’s rife with problems.
Episode 2
Seok's dad needs his sons’ help getting rid of an old sofa against his wife's wishes; Seok plans an event for Ae-bong to spice up the relationship.
Episode 3
Ae-bong wonders when Seok and his friends will finally grow up; Seok searches desperately for inspiration to overcome a case of "webtoonist's block."
Episode 4
Seok and Ae-bong agree to battle it out to see whose friends are superior; Ae-bong quits her job and appoints herself as Seok's full-time assistant.
Episode 5
Ae-bong invites Seok over when her parents go out for the night; Jun's determination to beat the claw crane game puts him in a tight spot.
Episode 6
Seok hits his head while drunk and loses his memory; Seok’s incentive for Ae-bong to raise her test score doesn’t go as intended.
Episode 7
Wanting a YOLO lifestyle, Seok's dad schemes to put his own restaurant out of business; Jun switches his cheap appliances with Seok's expensive ones.
Episode 8
Thinking his dream was a good omen, Seok tries his luck at the lottery; Seok’s hectic work schedule prompts Ae-bong to consider proposing to him.
Episode 9
Feeling miserable, Seok accidentally eats shrimp despite being allergic; Ae-bong's and Seok's parents try to impress one another at a formal dinner.
Episode 10
Ae-bong organizes Seok's first fan meet-and-greet; Seok goes all out to surprise Ae-bong with a marriage proposal, but things don’t go as planned.
