"Paradise Ranch" is a bright romantic drama that covers the life of a couple that were married at an early age and eventually divorced.
Hang Dong Joo and Lee Da Ji were childhood friends. They came to love each other and finally married in their teens, but divorced a couple of months later. Six years later, Lee Da Ji lives with her father and younger sister on Jeju Island and works as a veterinarian, as well as running her family's ranch. Hang Dong Joo now works for his family's business, but he's not interested in working.
Lee Da Ji goes to Australia to buy a horse. There Lee Da Ji meets Seo Yoon-Ho and gets help from him in purchasing a horse. Seo Yoon Ho is from America and works for the biggest resort company. Lee Da Ji also runs into ex-husband Hang Dong Joo in Australia. Hang Dong Joo is now with Park Jin Young.
Back on Jeju island, Lee Da Ji finds herself being cheated and faces loosing the ranch. Ex-husband Hang Dong Joo comes to Jeju island to build a resort for his family's company. He then discovers that Lee Da Ji's ranch is now under his name and his family will build a resort there. Seo Yoon Ho also comes to jeju island for his work as a investor of the resort, which Hang Dong Joo's family company are planning to build.