Some art can be deadly . . . Young Frida Kahlo is angry. Injured in a terrible accident, she lives with constant pain and worries that her dreams are unreachable. But when the TARDIS lands in Mexico City – drawn by a strange disturbance in its energy fields – Frida’s life is turned upside down. Aliens have arrived, taking over the bodies of children and killing anyone who gets in their way. With the fate of the Earth at stake, the Doctor and Frida must find a way to understand their alien invaders, and each other.