The plot of the Ukrainian series "Thunder in a Clear Sky" revolves around a young man named Alexey. He lives a simple and happy life and is about to marry his beloved woman, Olesya. But one day, Leshya witnesses a bandit attempting to rape a stranger. Without hesitation, he saves Valya but accidentally kills her attacker. Leshya's life falls apart: he is sent to prison, and Olesya leaves him for someone else. After being released several years later, Leshya is left alone. But Valya appears in his life once again.