Lara and Lilya are twins. Only one has a huge life ahead, and the other will forever have 29 years... Lara went to Baikal - the route that her sister had outlined for their happy summer trip. However, Lily’s husband, whom the girl hated, came to accompany her: having lost his wife, he did not suffer, but was only sad. And only when the secrets of his life with Lilya began to be revealed, Lara realized: even the closest people are a closed book. But having realized this, I still did not lose the desire to believe, hope and love...