CEO's mistaken lover

When Cathy wakes up, she finds herself sleeping with her future boss, Lester. She worried about being fired, so disguised small transparent, everywhere to avoid contact with the boss. What she doesn't know is that the boss mistook her sister Vivian for her. Originally peaceful, with the frequent contact of two people's work, the more intense, lingering familiar feeling, hold the breath of fate, when will he recognize her......