A small child is trapped in a tug-of-war battle between his frivolous, but loving mother and an emotionally abusive neurotic grandmother, who wants to "shelter" her beloved grandson at all cost.

A humble history teacher Alexander Lvov, happily married to Anna, a woman with a child. His adopted son, 8-year-old Vanka, has long become Alexander's family. But here comes back from the army paratrooper Vadim Kotov, who served under the contract, Anna’s ex-husband and Vanka’s father. He wants to get his son back. In men, a serious conflict is brewing.