"Two people connected by the red string of fate are destined lovers, regardless of time, place, or circumstances. This magical cord may stretch or tangle, but never break." Deng ZhenNi and Lei JunZhuo are put into an arranged marriage by their parents. ZhenNi moves back from the US to start her last year in high school along with JunZhuo. They move into their newlywed house to start the married life. Even though they knew each other from the past, there is some misunderstanding between them. Will they be able to untangle their string or will it forever be tangled?