My Heart Has Always Known / Married to Mr. Busy / (Dubbed) Married to Mr. Busy / The Substitute Wife / I Run to You / The Workaholic's Reluctant Wife

To save her mom from an abusive relationship with her father, Nina Judd agrees to take the place of her sister, who has vanished, in a marriage alliance with the heir of the powerful Zanes, Sean. Despite supposedly marrying into a life of luxury, she realizes her new husband is a workaholic who has little interest in her. Little does she know, her caring nature melts Sean's cold heart, and what appeared to be a marriage of benefit turns out to be the true love.