Introduction: Cold-blooded assassin Seventeen and fishing village girl Qianxiao are brought together by a mysterious time machine. One wants to quit his job for freedom, the other longs to escape the island for adventure; they decide to temporarily team up as "time machine partners for a day," embarking on a thrilling and romantic adventure in the bustling metropolis. During this time, Seventeen and Qianxiao's relationship subtly changes, gradually transforming from initial antagonists into a harmonious partnership. As their hearts draw closer, they are unaware that the secrets behind the time machine are quietly influencing their destinies…
