A single mother from Perm, by the will of fate, finds herself in the capital of Russia, where she makes significant changes to the well-established life of six successful 30-year-old Muscovites.

Marta Nosovaas Sasha Simonova
Anastasiya Klyuevaas Lily
Anton Denisenkoas Mark Anatolievich
Lukerya Ilyashenkoas Valeria Mikhailovna Matveeva
Roman Mayakinas Vadim Anatolievich Maksimov
Mariya Shumakovaas Natalia Victorovna
Anastasiya Meskovaas Julia
Nikita Panfilovas Igor Andreevich Julia
Anatoliy Goryachevas Anatoly Stepanovich Lebedev
Nikol Spiridonovaas Dinka