Hello Darling is a comedy-drama. The movie revolves around three young women Candy (Celina Jaitly), Mansi (Gul Panag) and Satvari Chaudhary (Isha Koppikar), who work in the fashion designing firm. However, it is not easy for the three ladies in the firm because of their flirtatious boss, Hardik Vasu (Javed Jaffrey), who desires to sleep with every hot woman. One day, Mansi accidentally mixes rat kill in Hardhik’s coffee and he falls after sipping it. The three girls are scared and plan to hide his body. Things get worse when they find out that he is alive and aware of Mansi’s mistake. He blackmails girls to join him on a 7-day trip. Will the three girls find out some way out of this problem and teach their boss a lesson?