Complex sentence: The following summer she replaced Ana María Campoy in "Butterflies are Free", which was performed in the city of Mar del Plata and decided to move to Argentina where she has had a remarkable career in television, theater and cinema.
Split into simpler sentences: The following summer she replaced Ana María Campoy in "Butterflies are Free", which was performed in the city of Mar del Plata. She then moved to Argentina where she has had a remarkable career in television, theater and cinema.