While managing a travel agency in Macau, Ji-yeon is deceived by her business partner. Then, the charming and kind-hearted Sung-yeol presents her with an enticing proposition: a $5,000 monthly salary to reside on a lavish yacht and serve as the personal caregiver for the owner of Cenado, a leading company in shipping and casinos. With no other options available, she agrees and tends to the difficult and ailing man. Gradually, Ji-yeon captures the interest of both Sung-yeol and the tycoon, finding herself torn between a chance to secure her future and the possibility of love. As tensions escalate among the individuals on the yacht, the outcome remains unpredictable.