The TV series "We Can't Live Without Each Other" tells the story of a failed teenage love affair that leaves a lasting impact on the adult lives of the characters. Katya and Sergey were childhood friends and thought they would be together forever. But during their first year of college, Katya meets Nikita and realizes that he is her true love. Sergey decides to do whatever it takes to separate them, and he is aided by their classmate Veronica, who is in love with Nikita. They orchestrate Katya's arrest: the only way for her to regain her freedom is to give up her chosen one.