Su Tang runs a small breakfast shop, and her days are busy and grounded. Through a twist of fate, she and business elite Gu Yan mistakenly enter into the same marriage, and the two agree to live together peacefully and respect each other. In getting along, he silently accompanies her in managing the small shop and handling small troubles in life; she also uses a bowl of warm porridge to warm his exhausted daily routine. Two hearts gradually draw closer, and she slowly regains her confidence amidst the mortal atmosphere, while he tastes the long-lost taste of home in the ordinary small shop. Until an old photo is discovered, she only knows that this fate regarded as accidental is something he had quietly anticipated for a long time.