The series "Prisma" is an Italian drama about the complex relationship between two brothers. Andrea and Marco are twins, inseparable since birth. They look so alike that even their own mother can confuse them, but each of the boys has his own character and approach to life. Throughout their lives, they struggle with each other and with themselves, fighting for the right to have their own identity, to follow their own path, and to be friends with their own circle of loved ones. But time and time again, their genetic inclination towards each other proves stronger than anything else.