After losing everything overnight, a once-successful Korean spatial designer Lee Yubin heads to a small, beautiful Japanese island. There, on Charo Island, he meets Shirahama Karin, a resilient farmer determined to grow strawberries despite battling her mysterious illness. Coming from two different worlds, the two find themselves tangled up in an unexpected misunderstanding. Meanwhile, another romance is brewing on the island between a pair of opposites. Park Kunam, a working holiday visitor, decides to stay after falling for Mizuno Mari, a tarot reader who ironically cannot predict her own love life. As they navigate their own romance, they become trusted helpers to Yubin and Karin.