The naughty and cute Lin Wan lost her most important friend Jiang Feng because of her childhood playfulness. Her young heart could not bear such grief, and her family left her hometown. Because of his promise to Jiang Feng, he silently took care of her only sister Jiang Mi, but unexpectedly met the love of his life - Li Qin, a big boy who was simply in love, a man who would be loyal to her until death. Li Qin willingly helped Lin Wan take care of Jiang Mi, but unexpectedly, Jiang Mi fell in love with him. With debts on one side and true love on the other, Lin Wan, where should she go...