The protagonist of the series "The Cuckoo" is a woman named Marina, who is forced to part with her children due to difficult life circumstances. Her neighbors cruelly nickname her "the cuckoo," believing that she abandoned her babies in search of a better life. But in reality, everything Marina does, she does for the sake of her family's well-being. In the name of her sons' future, she is willing to endure her husband's drunkenness and beatings, the betrayal of her closest people, and even being falsely accused of a crime she did not commit.