From college sweethearts to lifelong partners, Pafun and Aioon build a loving, devoted life together—dreaming of a family that seems just out of reach. When Pafun’s longing for motherhood deepens, their hope grows around the promise of adopting a child someday. Everything changes when their best friend, Nubnueng, returns unexpectedly and brings a life-altering opportunity. As love, loss, and responsibility collide, the couple must navigate heartbreak, resilience, and the challenges of becoming new parents. Fulfill is a tender, emotional journey that celebrates chosen family and the power of love to complete what life leaves unfinished.

一场开学典礼汇聚了单亲家庭的冰（塔塔·杨 Tata Young 饰）、富裕家庭的本（查克利·彦纳姆 Shahkrit Yamnarm 饰）、文艺青年阿德（雷·麦克唐纳 Ray MacDonald 饰），以及富家小姐枫和爱好写诗的丛璞，5人在献血活动中得知了大家都是O型血，因此结成了“O型血”小组开始了大学四年丰富多彩的生活。一次意外使得本与冰走到了一起，可是阿德也一直注视着冰，而枫更毫不掩饰对本的爱慕。毕业前夕阿德因为吃醋引发冲突被学校开除去了美国，丛璞爱上了一个成熟男子。在枫坚持不懈的勾引之下，本终于把持不住与枫发生了关系，而冰刚好撞破了这一幕，好好的5人组面临着分裂。冰心灰意冷地决定离开泰国，正当她快离开的时候知道了枫急需输血生命垂危的消息，而她的血型正还是枫急需的阴性O型血……几年之后本终于把戒指套在了枫的手上，丛璞事业有成，而成为摄影师的阿德带回来冰的消息……

When her ability to see ghosts ruins her love life, a heartbroken woman seeks solace at a mountain resort, encountering several fellow lonely singletons.