In the comedy Party Harder: Summer Massacre, a group of friends from the first part will return. They have already recovered from their terrible party and in the summer they will go to the "Ibiza of the East" - to the Macháč lake, which is a legendary place full of parties, music and free sex. They are trying to earn money for the golden nail of the summer - the Summer Massacre festival, from which they promise the experience of a lifetime and, of course, holiday sex. Will they enjoy the summer or fail miserably and face humiliation, involuntary celibacy or even Serbian militias?

The main character, Klára, can still be just as insecure and confused at forty as she was at eighteen, only it doesn't look so cute anymore. Her marriage ends overnight, and she finds herself once again in the unpredictable world of dating and dating mishaps. She's raising two daughters, trying to survive her eccentric mother's lifestyle, and on top of that, she starts getting advice from an amazing relationship coach and influencer. Up until this point, she had her life pretty much planned out, but now she's become self-taught.

This dark teenage comedy is about three classmates who want to throw the best party under the sun to impress their dream girls. Who will push in and who will be the victim of brutal bullying?

Daniel (Martin Pechlát) is a successful architect who has just completed the design of a skyscraper that will soon become a landmark of the city. When he is about to tell his wife Kateřina (Anna Polívková) the joyful news, he learns unexpected news in return. Kateřina went to the doctor, who found out that her kidneys were failing and the only long-term solution was a transplant. So to give or not to give? This is the question Daniel must solve. Will he offer his wife a kidney, which may cost him his life, or will he not offer, which may cost him marriage? And how will their friends Erik (Mira Nosek) and Diana (Barbora Seidlová), who hoped to enjoy a carefree weekend and celebrate Kateřina's birthday together, step in?