Jiang Bei suffers from ALS. After avenging his fallen comrades by massacring the Northern Barbarians' city, he is sent to prison. Three years later, upon his release, he arrives in Songhai carrying marriage contracts entrusted to him by his masters in prison. Believing in the principle of returning favors, he sets out to solve the problems faced by each of his fiancées. However, he never expects them all to fall in love with him and refuse to break off their engagements, triggering a series of chaotic romantic showdowns.