
Where to watch One Sunny Day in the US
One Sunny Day isn't currently available on any subscription platform in the US.
Availability updated November 5, 2026.
One Sunny Day plot
Kim Ji-ho is a broken hearted man who winds up in Jeju Island for a work project but he keeps running into a girl. Both of them get robbed and have to sleep in the same guest house. They depend on each other for a day as his wallet and her phone got stolen. As they stay in Jeju Island, she heals his broken heart and they fall in love.






