Mr. Heart Season 1 Episode 2
The Day the Crazy Guy Entered My Heart
After accidentally falling asleep next to Sang Ha, Jin Won sleeps more soundly than he has in years, preparing him well for the next day's marathon. After the race, Jin Won is surprised to see that Sang Ha didn't join the rest of the athletes at the celebration party.
Guest Stars
Jang Eui-soo
University track team member
Yeo Woon-bok
Jin Won's father