Complex sentence: Cali and Gio's unresolved past makes for some interesting turns with their new and very public tandem when Gio repented and tries to prove to his ex-girlfriend Cali that he is a changed man.
Split into simpler sentences: Cali and Gio's unresolved past makes for some interesting turns with their new and very public tandem. And now Gio repented and tries to prove to his ex-girlfriend Cali that he is a changed man.