The story is a loose sequel to the successful film Happy New Year. It begins on New Year's Eve, when Marek proposes to Hanna. Her acceptance sets off a crazy whirlwind of events that precede their wedding in a beautiful setting by the "Czechoslovak" sea in Croatia. Hana's three friends and their families once again bring adventure, suspense, fun and sometimes drama to the seemingly simple wedding preparations. While one of them is currently without a partner, the other has two rival rivals around her, and the third has a husband whose carefree nature has really crossed all borders (in this case even the Schengen border). All of them are unknowingly doing everything they can to complicate the wedding for the couple in love, or to discourage them by their own example, to the point where it almost never happens.