After an accident, Su Yu and Jiang Yi started a new life and became each other's closest family members. Originally, they just wanted to build up enough confidence and find a stable place to live, but in their daily interactions, they gradually fell in love with their respective partners. Su Yu resolves many conflicts with her agility and cunning, allowing her estranged partners to gradually open up their hearts; Jiang Yi uses her calmness and sobriety to break the inherent impression, attracting people who once dismissed her to take the initiative to approach her. They faced various challenges hand in hand, while guarding the friendship of best friends, while unknowingly falling into true feelings. Finally, they gave up their escape plan and chose to stand side by side with their lovers, reaping the happiness of running in both directions in the daily life of fireworks.