Kashtanov, professor of medicine and famous Moscow surgeon, is experiencing midlife crisis. Suddenly he decides to leave everything and escape to the countryside in order to spend some time with old friends.

In the same world two sisters live. One of which was largely unlucky at the very beginning of life: Ulyana is a "gable child" who, by the age of thirty, had preserved the outlook, behavior and reactions of a ten-year-old girl. The second - Lisa - was not even luckier. She is a healthy person whose life is completely dependent on a disabled sister who voluntarily or involuntarily destroys the plans of her ambitious sister actress.

Chen, a young kid, is battling a cultural conflict between his Russian born mother and Israeli father. She is cultured and used to the finer things in life, including theater and fine dining. He is gruff on the outside but sweet on the inside - a Sabra; and looking to make his young son a man rather than the wimp his mother is raising. One day, Chen stumbles upon a ballroom dance class for young people and sees Natalie, a stunning Russian young girl he falls in love with immediately. His interest in Natalie leads him to taking ballroom dancing and to ultimately bridging the cultural divide of his own family - through the Cha Cha and the Tango. The teachers are a pair of former Russian world champions who never quite fulfilled their potential, but find themselves battling their demons through the instructions of the kids.

Wealthy thrill-seekers pay huge premiums to have themselves inserted into military adventures, only this time things don't go exactly to plan.