The key audience of this new Souzmultfilm’s series is the children from 4 to 6 years old. The serial characters – the calves Borya (Bo) and Zoya (Zo) as well as their piggy friend Kolya – are adventure lovers, and there are many adventures in their lives. The adventures, which the friends have, may be funny and heart piercing, dangerous and mysterious, but they always have happy end. Why? Because there are many friends around who are always ready to help them. These stories may be instructive for children.