Happy 2 hits Chang and he goes unconscious. They then go to Khushi's house and Chang arrives there.

But after seeing Happy 2, they get confused as she is not the Happy that they know they know.

Upon reaching there, Chang orders them to catch Happy. In the meantime, Chang find Happy's location and goes there with Bagga and Usman. Adnan assures Happy that he will help her. The next day, he takes her to his office to meet his boss Adnan Chow (Denzil Smith), a half Pakistani and half Chinese. After which he sees her and listens to her story, at first Khushi is not willing to help her but he finally agrees. Meanwhile, Happy 2 hides in a bar where she met Khushwant Singh Gill aka Khushi who works in the Indian embassy. Clueless, they join the orientation and roam around the city. Meanwhile, Happy 1 and Guddu reach the university and are told by authority to join the orientation programme. But they soon learn that Happy 2 has run away. Chang tells Bagga and Afridi to convince Happy 2 to do what they want her to do and convince Bilal into handing over the contract to them. Being left with no other options he abducts Bagga from his wedding ceremony in Amritsar and Usman from his farewell ceremony in Lahore. Chang, one of the goons does not believe her. Happy 2 is unable make them believe that she is not that Happy they are looking for and that they have the wrong Happy. The contract was given to their rivals So, they kidnapped Happy 2 thinking she is Happy 1 and that she could convince Bilal to give them the contract and as soon as she does this they will release her. The contract was actually given to Javed Ahmed and his son Bilal Ahmed, who was friend of Happy 1 shown in the previous movie. They take Happy 2 into custody and demand a contract as a ransom. At the airport the Chinese goons kidnap Happy 2 mistaking her for Happy 1. A Botany professor, also named Happy, comes to Shanghai to join a university as a lecturer. Happy and her husband Guddu go to Shanghai, China for a concert. The film starts with Daman Singh Bagga and Usman Afridi being kidnapped by some Chinese goons and they're brought to Shanghai, China.

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